SAP Message /ISDFPS/SYNC021 - Error while copying the files from &1

Diagnosis
The transport files (data and cofiles) could not be copied to thetransport directory of the target system.

Procedure
Possible causes:
·,,Insufficient space in directories /usr/sap/trans/cofiles and/usr/sap/trans/data
·,,User not authorized to write to the target system
·,,The cofile does not have the necessary authorizations(at least rw-rw-r)