diff --git a/CHANGELOG.md b/CHANGELOG.md
index b89cacbe..03fd90ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,19 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+# [v7.5.1] 2023-12-13
+
+- `eive-tmtc` v5.12.1
+
+## Changed
+
+- Increased the maximum number of scheduled telecommands from 500 to 4000. Merry Christmas!
+
+## Fixed
+
+- Faulty mapping of input values for QUEST algorithm.
+- Fixed validity check for QUEST algorithm.
+
 # [v7.5.0] 2023-12-06
 
 - `eive-tmtc` v5.12.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e172ee9c..9222280e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ cmake_minimum_required(VERSION 3.13)
 
 set(OBSW_VERSION_MAJOR 7)
 set(OBSW_VERSION_MINOR 5)
-set(OBSW_VERSION_REVISION 0)
+set(OBSW_VERSION_REVISION 1)
 
 # set(CMAKE_VERBOSE TRUE)
 
@@ -64,7 +64,7 @@ include(EiveHelpers)
 option(EIVE_ADD_ETL_LIB "Add ETL library" ON)
 option(EIVE_ADD_JSON_LIB "Add JSON library" ON)
 
-set(OBSW_MAX_SCHEDULED_TCS 500)
+set(OBSW_MAX_SCHEDULED_TCS 4000)
 
 if(EIVE_Q7S_EM)
   set(OBSW_Q7S_EM
diff --git a/bsp_hosted/fsfwconfig/events/translateEvents.cpp b/bsp_hosted/fsfwconfig/events/translateEvents.cpp
index 18184b50..d5b3de46 100644
--- a/bsp_hosted/fsfwconfig/events/translateEvents.cpp
+++ b/bsp_hosted/fsfwconfig/events/translateEvents.cpp
@@ -1,7 +1,7 @@
 /**
  * @brief    Auto-generated event translation file. Contains 318 translations.
  * @details
- * Generated on: 2023-12-06 17:19:38
+ * Generated on: 2023-12-13 11:29:45
  */
 #include "translateEvents.h"
 
diff --git a/bsp_hosted/fsfwconfig/objects/translateObjects.cpp b/bsp_hosted/fsfwconfig/objects/translateObjects.cpp
index f8058834..ac61a526 100644
--- a/bsp_hosted/fsfwconfig/objects/translateObjects.cpp
+++ b/bsp_hosted/fsfwconfig/objects/translateObjects.cpp
@@ -2,7 +2,7 @@
  * @brief  Auto-generated object translation file.
  * @details
  * Contains 175 translations.
- * Generated on: 2023-12-06 17:19:38
+ * Generated on: 2023-12-13 11:29:45
  */
 #include "translateObjects.h"
 
diff --git a/fsfw b/fsfw
index 7105e199..e64e8b27 160000
--- a/fsfw
+++ b/fsfw
@@ -1 +1 @@
-Subproject commit 7105e199c650303ac1a48e75aebc44182630931e
+Subproject commit e64e8b274d436502d5c5b87865b9006e52e4b1aa
diff --git a/generators/bsp_hosted_returnvalues.csv b/generators/bsp_hosted_returnvalues.csv
index 8bbb79f4..8ef110db 100644
--- a/generators/bsp_hosted_returnvalues.csv
+++ b/generators/bsp_hosted_returnvalues.csv
@@ -387,6 +387,7 @@ Full ID (hex); Name; Description; Unique ID; Subsytem Name; File Path
 0x4304;PUS11_InvalidRelativeTime;No description;4;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 0x4305;PUS11_ContainedTcTooSmall;No description;5;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 0x4306;PUS11_ContainedTcCrcMissmatch;No description;6;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
+0x4307;PUS11_MapIsFull;No description;7;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 0x4400;FILS_GenericFileError;No description;0;FILE_SYSTEM;fsfw/src/fsfw/filesystem/HasFileSystemIF.h
 0x4401;FILS_GenericDirError;No description;1;FILE_SYSTEM;fsfw/src/fsfw/filesystem/HasFileSystemIF.h
 0x4402;FILS_FilesystemInactive;No description;2;FILE_SYSTEM;fsfw/src/fsfw/filesystem/HasFileSystemIF.h
diff --git a/generators/bsp_q7s_returnvalues.csv b/generators/bsp_q7s_returnvalues.csv
index e194ac67..76184dce 100644
--- a/generators/bsp_q7s_returnvalues.csv
+++ b/generators/bsp_q7s_returnvalues.csv
@@ -387,6 +387,7 @@ Full ID (hex); Name; Description; Unique ID; Subsytem Name; File Path
 0x4304;PUS11_InvalidRelativeTime;No description;4;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 0x4305;PUS11_ContainedTcTooSmall;No description;5;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 0x4306;PUS11_ContainedTcCrcMissmatch;No description;6;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
+0x4307;PUS11_MapIsFull;No description;7;PUS_SERVICE_11;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 0x4400;FILS_GenericFileError;No description;0;FILE_SYSTEM;fsfw/src/fsfw/filesystem/HasFileSystemIF.h
 0x4401;FILS_GenericDirError;No description;1;FILE_SYSTEM;fsfw/src/fsfw/filesystem/HasFileSystemIF.h
 0x4402;FILS_FilesystemInactive;No description;2;FILE_SYSTEM;fsfw/src/fsfw/filesystem/HasFileSystemIF.h
diff --git a/generators/events/translateEvents.cpp b/generators/events/translateEvents.cpp
index 18184b50..d5b3de46 100644
--- a/generators/events/translateEvents.cpp
+++ b/generators/events/translateEvents.cpp
@@ -1,7 +1,7 @@
 /**
  * @brief    Auto-generated event translation file. Contains 318 translations.
  * @details
- * Generated on: 2023-12-06 17:19:38
+ * Generated on: 2023-12-13 11:29:45
  */
 #include "translateEvents.h"
 
diff --git a/generators/objects/translateObjects.cpp b/generators/objects/translateObjects.cpp
index 279261c2..30696975 100644
--- a/generators/objects/translateObjects.cpp
+++ b/generators/objects/translateObjects.cpp
@@ -2,7 +2,7 @@
  * @brief  Auto-generated object translation file.
  * @details
  * Contains 179 translations.
- * Generated on: 2023-12-06 17:19:38
+ * Generated on: 2023-12-13 11:29:45
  */
 #include "translateObjects.h"
 
diff --git a/linux/fsfwconfig/events/translateEvents.cpp b/linux/fsfwconfig/events/translateEvents.cpp
index 18184b50..d5b3de46 100644
--- a/linux/fsfwconfig/events/translateEvents.cpp
+++ b/linux/fsfwconfig/events/translateEvents.cpp
@@ -1,7 +1,7 @@
 /**
  * @brief    Auto-generated event translation file. Contains 318 translations.
  * @details
- * Generated on: 2023-12-06 17:19:38
+ * Generated on: 2023-12-13 11:29:45
  */
 #include "translateEvents.h"
 
diff --git a/linux/fsfwconfig/objects/translateObjects.cpp b/linux/fsfwconfig/objects/translateObjects.cpp
index 279261c2..30696975 100644
--- a/linux/fsfwconfig/objects/translateObjects.cpp
+++ b/linux/fsfwconfig/objects/translateObjects.cpp
@@ -2,7 +2,7 @@
  * @brief  Auto-generated object translation file.
  * @details
  * Contains 179 translations.
- * Generated on: 2023-12-06 17:19:38
+ * Generated on: 2023-12-13 11:29:45
  */
 #include "translateObjects.h"
 
diff --git a/mission/controller/acs/AttitudeEstimation.cpp b/mission/controller/acs/AttitudeEstimation.cpp
index e287b22f..95a4046d 100644
--- a/mission/controller/acs/AttitudeEstimation.cpp
+++ b/mission/controller/acs/AttitudeEstimation.cpp
@@ -8,14 +8,14 @@ AttitudeEstimation::~AttitudeEstimation() {}
 
 void AttitudeEstimation::quest(acsctrl::SusDataProcessed *susData,
                                acsctrl::MgmDataProcessed *mgmData,
-                               acsctrl::AttitudeEstimationData *attitudeEstimation) {
+                               acsctrl::AttitudeEstimationData *attitudeEstimationData) {
   if (not(susData->susVecTot.isValid() and susData->sunIjkModel.isValid() and
-          mgmData->mgmVecTot.value and mgmData->magIgrfModel.isValid())) {
+          mgmData->mgmVecTot.isValid() and mgmData->magIgrfModel.isValid())) {
     {
-      PoolReadGuard pg{attitudeEstimation};
+      PoolReadGuard pg{attitudeEstimationData};
       if (pg.getReadResult() == returnvalue::OK) {
-        std::memcpy(attitudeEstimation->quatQuest.value, ZERO_VEC4, 4 * sizeof(double));
-        attitudeEstimation->quatQuest.setValid(false);
+        std::memcpy(attitudeEstimationData->quatQuest.value, ZERO_VEC4, 4 * sizeof(double));
+        attitudeEstimationData->quatQuest.setValid(false);
       }
     }
     return;
@@ -24,10 +24,10 @@ void AttitudeEstimation::quest(acsctrl::SusDataProcessed *susData,
   // Normalize Data
   double normMgmB[3] = {0, 0, 0}, normMgmI[3] = {0, 0, 0}, normSusB[3] = {0, 0, 0},
          normSusI[3] = {0, 0, 0};
-  VectorOperations<double>::normalize(susData->susVecTot.value, normMgmB, 3);
-  VectorOperations<double>::normalize(susData->sunIjkModel.value, normMgmI, 3);
-  VectorOperations<double>::normalize(mgmData->mgmVecTot.value, normSusB, 3);
-  VectorOperations<double>::normalize(mgmData->magIgrfModel.value, normSusI, 3);
+  VectorOperations<double>::normalize(susData->susVecTot.value, normSusB, 3);
+  VectorOperations<double>::normalize(susData->sunIjkModel.value, normSusI, 3);
+  VectorOperations<double>::normalize(mgmData->mgmVecTot.value, normMgmB, 3);
+  VectorOperations<double>::normalize(mgmData->magIgrfModel.value, normMgmI, 3);
 
   // Create Helper Vectors
   double normHelperB[3] = {0, 0, 0}, normHelperI[3] = {0, 0, 0}, helperCross[3] = {0, 0, 0},
@@ -102,10 +102,10 @@ void AttitudeEstimation::quest(acsctrl::SusDataProcessed *susData,
     QuaternionOperations::slerp(qBI, qOld, acsParameters->onBoardParams.questFilterWeight, qBI);
   }
   {
-    PoolReadGuard pg{attitudeEstimation};
+    PoolReadGuard pg{attitudeEstimationData};
     if (pg.getReadResult() == returnvalue::OK) {
-      std::memcpy(attitudeEstimation->quatQuest.value, qBI, 4 * sizeof(double));
-      attitudeEstimation->quatQuest.setValid(true);
+      std::memcpy(attitudeEstimationData->quatQuest.value, qBI, 4 * sizeof(double));
+      attitudeEstimationData->quatQuest.setValid(true);
     }
   }
 }
diff --git a/tmtc b/tmtc
index f63a834d..747ad34e 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit f63a834d9acd4506f0dbd7f8e63007f17c063c1d
+Subproject commit 747ad34eec5baa5199de49a1330687508c991550