If you getting error like “BR0123E Format error found in line” for ArchSID.log file in your Redolog backup action file , then you should check the following solution.

You have checked your DB13 and your situation like below ;

Then you should check the “Redolog Backup  Detail Log”

Error info like ;

BR0123E Format error found in line 492467 of W:\oracle\SID\saparch\archSID.log at location arch_last_get-10
…… …………
BR0121E Processing of log file W:\oracle\SID\saparch\archSID.log failed

Solution ;

Go to the related directory and replace the corrupted “archSID.log” file and create a new one like below

Last Situation after the new “archSID.log” file has created.