diff --git a/frontend/src/app/api/auth/[...nextauth]/route.ts b/frontend/src/app/api/auth/[...nextauth]/route.ts
index b527298819..74f35938cd 100644
--- a/frontend/src/app/api/auth/[...nextauth]/route.ts
+++ b/frontend/src/app/api/auth/[...nextauth]/route.ts
@@ -18,7 +18,9 @@ async function checkIfProjectLeader(login: string): Promise<boolean> {
     })
     return data?.isProjectLeader ?? false
   } catch (err) {
-    throw new Error('Failed to fetch project leader status Error', err)
+    throw new Error(
+      `Failed to fetch project leader status: ${err instanceof Error ? err.message : String(err)}`
+    )
   }
 }
 
@@ -32,7 +34,9 @@ async function checkIfMentor(login: string): Promise<boolean> {
     })
     return data?.isMentor ?? false
   } catch (err) {
-    throw new Error('Failed to fetch mentor status Error', err)
+    throw new Error(
+      `Failed to fetch mentor status: ${err instanceof Error ? err.message : String(err)}`
+    )
   }
 }
 
diff --git a/frontend/src/components/ModuleForm.tsx b/frontend/src/components/ModuleForm.tsx
index 0768291a4e..a3cd18f048 100644
--- a/frontend/src/components/ModuleForm.tsx
+++ b/frontend/src/components/ModuleForm.tsx
@@ -286,7 +286,9 @@ export const ProjectSelector = ({ value, defaultName, onProjectChange }: Project
       } catch (err) {
         setRawResults([])
         setShowSuggestions(false)
-        throw new Error('Error fetching suggestions:', err)
+        setError(
+          `Error fetching suggestions: ${err instanceof Error ? err.message : String(err || 'Unknown error')}`
+        )
       }
     }, 300),
     [client]