ERROR: Too many updates/deletes within transaction (cmin - Mailing list pgsql-novice

Hi.

Every now and then I get following error message. It seems that it happens more or less randomly...I guess the reason
isthat some transaction log is filled. 

How can I prevent this?

[Err] ERROR:  Too many updates/deletes within transaction (cmin). Reader gang not able to provide correct visibility
1/1(combocid.c:275)  (seg6 slice1 xback2-3:50003 pid=28899) 
CONTEXT:  SQL statement "CREATE TABLE profilointi.group_names AS SELECT group_id FROM
profilointi.vtj_profilointi_results_filledWHERE group_id IS NOT NULL GROUP BY group_id" 
PL/pgSQL function "petri_profilointia_create_table" line 14 at SQL statement


BR,
Petri

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