Data not arrived in either PSA or InfoCube

What causes this issue?

Data has not arrived in either the PSA or the InfoCube. The data
transfer from the source system to BW was probably incorrect.

How to fix this error?

Check the TRFC overview in the source system.
You can get to this log using the Wizard or the menu path "Environment
-> Transact. RFC -> Source System.


Removing Errors:
If the TRFC is incorrect, remove the errors listed there.
Check that the source system is fully connected to BW. In particular,
check the remote user authorizations in BW.

Error message extract from SAP system. Copyright SAP SE.