I have a new installtion of Reports 12c (220.127.116.11) when I run a report with DISTRIBUTION=YES that creates the report in 2 different formats to the same file folder I get the REP-56133 error. If I run the report using just 1 format to the same folder the report runs successfully. I have enabled write access to the folder required by Reports 12c. The report run successfully to both formats in 11g. Does anyone know why the distribution=yes would fail with this error?
If not already enabled, I would suggest to enable trace with level 32 for both rwserver and rwengine and see which line the distribution fails.