UTL_FILE.FRENAME ORA-29283: invalid file operation

 Hi Experts,

I'm trying to debug a UTL_FILE concurrent program that is suppose to copy a file from one and create it with a different name in another directory within the same drive on LINUX server. Below is what my code looks like; this program used to work but all of a sudden it just started throwing this invalid operation error. The environment is Linux, DB 10.2.0.3; tested appl owner has write permission to both directories, concurrent manager should have permission:

-rwxr-x---    1 applgld  dba           601 Jan 29 07:54 CM_PRICE_UPLOAD_CHANGE_20100120_TEST.csv

BEGIN
                  -- move file to the processed directory
                  UTL_FILE.FRENAME  (