Background job 'Generate Authority for User' failing

The background job Generate Authority for User has just started failing - can anyone help me identify what the issue is please ?

ORA-04098: trigger 'IFSAPP.LOG_DATAFILE_CREATION' is invalid and failed re-validation
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 5588
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 5580
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 5405
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 2652
ORA-06512: at "IFSAPP.DATABASE_SYS", line 2252
ORA-06512: at "IFSAPP.DATABASE_SYS", line 5012
ORA-06512: at "IFSAPP.DATABASE_SYS", line 4511
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3917
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3922
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3705
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3785
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 2523
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 2537
ORA-06512: at line 1
ORA-06512: at "IFSAPP.TRANSACTION_SYS", line 1831
ORA-06512: at "IFSAPP.TRANSACTION_SYS", line 278
 ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 5588
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 5580
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 5405
ORA-06512: at "IFSAPP.INSTALLATION_SYS", line 2652
ORA-06512: at "IFSAPP.DATABASE_SYS", line 2252
ORA-06512: at "IFSAPP.DATABASE_SYS", line 5012
ORA-06512: at "IFSAPP.DATABASE_SYS", line 4511
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3917
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3922
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3705
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 3785
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 2523
ORA-06512: at "IFSAPP.COMPANY_POSITION_API", line 2537
ORA-06512: at line 1
ORA-06512: at "IFSAPP.TRANSACTION_SYS", line 1831
ORA-06512: at "IFSAPP.TRANSACTION_SYS", line 278
ORA-06512: at "IFSAPP.TRANSACTION_SYS", line 857