DAMON job results in error "ERROR (-1): ORA-01555: snapshot too old" (Doc ID 1630481.1)

Last updated on MARCH 22, 2022

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 8.2 1.0 and later
Information in this document applies to any platform.

Data monitor job runs with errors

data_monitor ERROR ERROR (-1): ORA-01555: snapshot too old: rollback segment number 9 with name "_SYSSMU9_3263553557$" too small(Complete usession_clear_logical_delets)-1016 Sec
data_monitor ERROR ERROR (-1): ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'(Complete usession_clear_logical_deletes)-828 Sec

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In this Document

Symptoms

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