diff --git a/include/ulib/container/vector.h b/include/ulib/container/vector.h
index d8d7209c..7324a694 100644
--- a/include/ulib/container/vector.h
+++ b/include/ulib/container/vector.h
@@ -1109,7 +1109,6 @@ public:
       }
 
    void push_back(const UStringRep* rep)        { UVector<UStringRep*>::push_back(rep); }
-   void push_back(const char* t, uint32_t tlen) { UVector<UStringRep*>::push_back(UStringRep::create(tlen, tlen, t)); }
 
    UString last() // return last element
       {
diff --git a/include/ulib/examples/wi_auth_declaration.h b/include/ulib/examples/wi_auth_declaration.h
index 0c3023fa..ded6681e 100644
--- a/include/ulib/examples/wi_auth_declaration.h
+++ b/include/ulib/examples/wi_auth_declaration.h
@@ -7250,7 +7250,7 @@ static void POST_login_request()
          if (user_rec->_auth_domain != *account_auth)
             {
             vec.push_back(user_rec->nodog);
-            vec.push_back(U_CLIENT_ADDRESS_TO_PARAM);
+            vec.push_back(UStringRep::create(UServer_Base::client_address_len, UServer_Base::client_address_len, UServer_Base::client_address));
             vec.push_back(*UString::str_without_mac);
             }
          }
diff --git a/src/ulib/internal/memory_pool.cpp b/src/ulib/internal/memory_pool.cpp
index 064a663b..d4801ee8 100644
--- a/src/ulib/internal/memory_pool.cpp
+++ b/src/ulib/internal/memory_pool.cpp
@@ -194,14 +194,15 @@ public:
       void* ptr = (index == 0 ? (void*)pblock : *pblock);
 
 #  ifdef DEBUG
-      if (index)
+      if (len &&
+          index)
          {
-         U_INTERNAL_ASSERT_EQUALS( ptr, *pblock)
-         U_INTERNAL_ASSERT_EQUALS( ptr, *(pointer_block + len))
-
-         if (len)
+         for (uint32_t i = 1; i < len; ++i)
             {
-            U_INTERNAL_ASSERT_DIFFERS(ptr, *(pointer_block + len - 1))
+            if (ptr == *(pointer_block + len - i))
+               {
+               U_ERROR("Duplicate entry on UStackMemoryPool::pop(%u): len = %u i = %u ptr = %p", index, len, i, ptr)
+               }
             }
          }
 
@@ -239,6 +240,14 @@ public:
       if (depth) --depth;
 
       ++push_cnt;
+
+      for (uint32_t i = 2; i <= len; ++i)
+         {
+         if (ptr == *(pointer_block + len - i))
+            {
+            U_ERROR("Duplicate entry on UStackMemoryPool::push(%p): index = %u len = %u i = %u", ptr, index, len, i)
+            }
+         }
 #  endif
       }
 
@@ -396,9 +405,13 @@ void* UMemoryPool::pop(int stack_index)
                   obj_class, func_call, pstack->index, pstack->type, pstack->len, pstack->space, pstack->depth,
                   pstack->max_depth, pstack->num_call_allocateMemoryBlocks, pstack->pop_cnt, pstack->push_cnt);
       }
-#endif
 
+   void* ptr = pstack->pop();
+
+   U_RETURN(ptr);
+#else
    return pstack->pop();
+#endif
 }
 
 #  ifdef DEBUG
diff --git a/src/ulib/thread.cpp b/src/ulib/thread.cpp
index cdf27db6..b943b330 100644
--- a/src/ulib/thread.cpp
+++ b/src/ulib/thread.cpp
@@ -61,7 +61,6 @@ void UThread::close()
          if (pthread_equal(tid, obj->tid))
 #     endif
             {
-            U_INTERNAL_ASSERT_EQUALS(this, obj)
             U_INTERNAL_ASSERT_EQUALS(next, obj->next)
 
             *ptr = next;
diff --git a/tests/examples/TSA/tsaserial b/tests/examples/TSA/tsaserial
index 9a4a98f7..629b7683 100644
--- a/tests/examples/TSA/tsaserial
+++ b/tests/examples/TSA/tsaserial
@@ -1 +1 @@
-0757
+077A