Agile upgrade failed (9.3.6.19)

We're using 9.3.6.14, and intend to upgrade to 9.3.6.19..

Current version

-Agile 9.3.6 RUP 14 

-Fusion Middleware FMW 12C 12.2.1.4.0 (no need to upgrade)    

-AutoVue 21.2.0.2 (no need to upgrade)

Steps:

Database Server:

93619_schema.zip is updated in successfully

Application Server:

- Stop service "./stop.RFQ.service"

 - unziped Folder Agile93619_RUP_p33820381_93600_Generic.zip

- Run Install_Patch.sh

Error Message:

BACKUP AGILE PRODUCT...

Attempt to copy /RFQapp/app/Agile_app/FileManager/logs/catalina.2022-05-07.log to /RFQapp/app/Agile_app.9.3.6.19_05-12-2022_11.02.59-AM/FileManager/logs/catalina.2022-05-07.log using NIO Channels failed due to '/RFQapp/app/Agile_app/FileManager/logs/catalina.2022-05-07.log'. Falling back to streams.