diff --git a/tools/projmgr/include/ProjMgrWorker.h b/tools/projmgr/include/ProjMgrWorker.h
index 65c5845ae..769e99e2d 100644
--- a/tools/projmgr/include/ProjMgrWorker.h
+++ b/tools/projmgr/include/ProjMgrWorker.h
@@ -1113,7 +1113,7 @@ class ProjMgrWorker {
     }
     m_contexts.clear();
     m_ymlOrderedContexts.clear();
-    m_contexts.clear();
+    m_processedContexts.clear();
     m_contextErrMap.clear();
     m_selectedContexts.clear();
     m_outputDir.clear();
diff --git a/tools/projmgr/src/ProjMgr.cpp b/tools/projmgr/src/ProjMgr.cpp
index 07fc78982..848f8d8e1 100644
--- a/tools/projmgr/src/ProjMgr.cpp
+++ b/tools/projmgr/src/ProjMgr.cpp
@@ -1291,6 +1291,7 @@ void ProjMgr::Clear() {
 void ProjMgr::InitSolution(const std::string& csolution, const std::string& activeTargetSet, const bool& updateRte) {
   Clear();
   m_csolutionFile = csolution;
+  m_worker.SetCsolutionFile(m_csolutionFile);
   m_rootDir = RteUtils::ExtractFilePath(m_csolutionFile, false);
   m_updateRteFiles = updateRte;
   if (activeTargetSet.empty()) {
diff --git a/tools/projmgr/src/ProjMgrWorker.cpp b/tools/projmgr/src/ProjMgrWorker.cpp
index d2919e04b..5429e53f6 100644
--- a/tools/projmgr/src/ProjMgrWorker.cpp
+++ b/tools/projmgr/src/ProjMgrWorker.cpp
@@ -455,6 +455,7 @@ bool ProjMgrWorker::InitializeModel() {
   if(m_kernel) {
     // kernel is already initialized, clear pdsc map
     m_kernel->GetPackRegistry()->ClearPdscMap();
+    m_model->SetRootFileName(m_csolutionFile);
     return true;
   }
   m_packRoot = GetPackRoot();
@@ -559,7 +560,7 @@ bool ProjMgrWorker::LoadPacks(ContextItem& context) {
     PrintContextErrors(context.name);
     return false;
   }
-  if (m_loadedPacks.empty() && !LoadAllRelevantPacks()) {
+  if ((m_loadedPacks.empty() || m_rpcMode) && !LoadAllRelevantPacks()) {
     return false;
   }
   // Filter context specific packs
@@ -2254,6 +2255,9 @@ bool ProjMgrWorker::ProcessConfigFiles(ContextItem& context) {
 
 bool ProjMgrWorker::CheckConfigPLMFiles(ContextItem& context) {
   bool error = false;
+  if (!context.rteActiveProject) {
+    return error;
+  }
   for (const auto& fi : context.rteActiveProject->GetFileInstances()) {
     // get absolute path to file instance
     const string file = fs::path(context.cproject->directory).append(fi.second->GetInstanceName()).generic_string();
diff --git a/tools/projmgr/test/src/ProjMgrWorkerUnitTests.cpp b/tools/projmgr/test/src/ProjMgrWorkerUnitTests.cpp
index a00b48fc5..febd5fef6 100644
--- a/tools/projmgr/test/src/ProjMgrWorkerUnitTests.cpp
+++ b/tools/projmgr/test/src/ProjMgrWorkerUnitTests.cpp
@@ -1859,3 +1859,10 @@ TEST_F(ProjMgrWorkerUnitTests, LoadPacksCaseInsensitive) {
 
   CrossPlatformUtils::SetEnv("CMSIS_PACK_ROOT", cmsisPackRoot);
 }
+
+TEST_F(ProjMgrWorkerUnitTests, CheckConfigPLMFiles_NoRteActiveProject) {
+  ContextItem context;
+  context.rteActiveProject = nullptr;
+  // ensure CheckConfigPLMFiles does not crash when rteActiveProject is not initialized
+  EXPECT_FALSE(CheckConfigPLMFiles(context));
+}