diff --git a/MARS_Packages/REL02_POST/MARS-1409/new_version/FILE_ARCHIVER.pkb b/MARS_Packages/REL02_POST/MARS-1409/new_version/FILE_ARCHIVER.pkb
index 2f2891c..1bfed46 100644
--- a/MARS_Packages/REL02_POST/MARS-1409/new_version/FILE_ARCHIVER.pkb
+++ b/MARS_Packages/REL02_POST/MARS-1409/new_version/FILE_ARCHIVER.pkb
@@ -58,14 +58,15 @@ AS
    BEGIN
       vParameters := CT_MRDS.ENV_MANAGER.FORMAT_PARAMETERS(SYS.ODCIVARCHAR2LIST('pSourceFileConfigKey => '||nvl(to_char(pSourceFileConfigKey),NULL)));
       CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('Start','DEBUG', vParameters);
-      SELECT count(*) , min(SOURCE_FILE_TYPE)
+      -- LEFT JOIN ensures SOURCE_FILE_TYPE is retrieved from config even when no stats exist yet
+      SELECT count(s.A_SOURCE_FILE_CONFIG_KEY), min(c.SOURCE_FILE_TYPE)
         INTO vCount, vSourceFileType
-        FROM CT_MRDS.A_TABLE_STAT s
-        JOIN CT_MRDS.A_SOURCE_FILE_CONFIG c
+        FROM CT_MRDS.A_SOURCE_FILE_CONFIG c
+        LEFT JOIN CT_MRDS.A_TABLE_STAT s
           ON s.A_SOURCE_FILE_CONFIG_KEY = c.A_SOURCE_FILE_CONFIG_KEY
-       WHERE s.A_SOURCE_FILE_CONFIG_KEY = pSourceFileConfigKey;
+       WHERE c.A_SOURCE_FILE_CONFIG_KEY = pSourceFileConfigKey;
 
-      IF vCount=0 and vSourceFileType='INPUT' THEN
+      IF vCount = 0 AND vSourceFileType = 'INPUT' THEN
          GATHER_TABLE_STAT(pSourceFileConfigKey);
       END IF;
 
@@ -74,9 +75,13 @@ AS
            INTO vTableStat
            FROM CT_MRDS.A_TABLE_STAT
           WHERE A_SOURCE_FILE_CONFIG_KEY = pSourceFileConfigKey;
---      EXCEPTION
---         WHEN NO_DATA_FOUND THEN
---            
+      EXCEPTION
+         WHEN NO_DATA_FOUND THEN
+            CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT(
+               'No statistics found in A_TABLE_STAT for config key ' || pSourceFileConfigKey 
+               || ' (SOURCE_FILE_TYPE=' || NVL(vSourceFileType, 'NULL') || '). Cannot proceed with archival.',
+               'ERROR', vParameters);
+            RAISE;
       END;
 
       CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('End','DEBUG',vParameters);
@@ -171,13 +176,14 @@ AS
          ;
 
          -- Get all files that will be archived into  "vfiles" collection ("regular data files")
-         -- MARS-1468: Handle ORA-29913 - no files in ODS bucket (empty external table location)
+         -- MARS-1468: Handle ORA-29913/ORA-12801 - no files in ODS bucket (empty external table location)
+         -- ORA-29913 may come directly or wrapped in ORA-12801 (parallel query) with KUP-05002 root cause
          BEGIN
             execute immediate vQuery bulk collect into vfiles;
          EXCEPTION
             WHEN OTHERS THEN
-               IF SQLCODE = -29913 THEN
-                  CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('No files found in ODS bucket (ORA-29913: empty location). Nothing to archive.', 'INFO', vParameters);
+               IF SQLCODE IN (-29913, -12801) AND DBMS_UTILITY.FORMAT_ERROR_STACK LIKE '%KUP-05002%' THEN
+                  CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('No files found in ODS bucket (empty location, SQLCODE=' || SQLCODE || '). Nothing to archive.', 'INFO', vParameters);
                   CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('End','INFO',vParameters);
                   RETURN;
                ELSE
@@ -185,6 +191,18 @@ AS
                END IF;
          END;
 
+         -- Check if any files match archival criteria
+         IF vfiles.COUNT = 0 THEN
+            CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT(
+               'No files matching archival criteria found (strategy: ' || vSourceFileConfig.ARCHIVAL_STRATEGY 
+               || ', IS_WORKFLOW_SUCCESS_REQUIRED: ' || vSourceFileConfig.IS_WORKFLOW_SUCCESS_REQUIRED || '). Nothing to archive.',
+               'INFO', vParameters);
+            CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('End','INFO',vParameters);
+            RETURN;
+         END IF;
+
+         CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('Files matching archival criteria: ' || vfiles.COUNT, 'INFO', vParameters);
+
          -- Start EXPORT "regular data files" to parquet and DROP "csv"
          FOR ym_loop IN (select distinct year, month from table(vfiles) order by 1,2) LOOP
             dbms_output.put_line('year: '||ym_loop.year||' - '||'month: '||ym_loop.month);
@@ -538,13 +556,14 @@ AS
       on t.filename = r.object_name'
       ;
       CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('vQuery:', 'DEBUG', vQuery);
-      -- MARS-1468: Handle ORA-29913 - no files in ODS bucket (empty external table location)
+      -- MARS-1468: Handle ORA-29913/ORA-12801 - no files in ODS bucket (empty external table location)
+      -- ORA-29913 may come directly or wrapped in ORA-12801 (parallel query) with KUP-05002 root cause
       BEGIN
          execute immediate vQuery into vStats;
       EXCEPTION
          WHEN OTHERS THEN
-            IF SQLCODE = -29913 THEN
-               CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('No files found in ODS bucket (ORA-29913: empty location). Saving zero statistics.', 'INFO', vParameters);
+            IF SQLCODE IN (-29913, -12801) AND DBMS_UTILITY.FORMAT_ERROR_STACK LIKE '%KUP-05002%' THEN
+               CT_MRDS.ENV_MANAGER.LOG_PROCESS_EVENT('No files found in ODS bucket (empty location, SQLCODE=' || SQLCODE || '). Saving zero statistics.', 'INFO', vParameters);
                vStats.A_SOURCE_FILE_CONFIG_KEY        := pSourceFileConfigKey;
                vStats.TABLE_NAME                      := vTableName;
                vStats.FILE_COUNT                      := 0;