Avoid adding EventInfoCnvAlg to two sequences: CondSeq and AlgSeq
RecExCommon/RecExCommon_topOptions.py inserts EventInfoCnvAlg into AthCondSeq. Make sure other python fragments do the same. Otherwise we may end up having EventInfoCnvAlg it two different sequences.
May be a fix for ATEAM-613
Edited by Vakhtang Tsulaia