SAP Message PS006 - Sizes of source and target file are different

Diagnosis
After transmission, the system determined that the size of the targetfile does not match the size of the source file before transmission. Itis possible that the source file was changed by another using duringthe transmission.
Source file: &V2&
Size: &V3& Byte

Procedure
Restart the transmission and make sure the source file is not changedduring the transmission.