BW: Error 1 when loading external data
Posted on June 14th, 2010Although SAP has a pretty long message when you encounter Error 1 , it’s not to the point enough to make the debugging easier.
In my case, the reason is that the file was open. Close the file, everything was fine.
Diagnosis
Error number 1 occurred when loading external data:
1. Error when reading the file (access rights, file [...]