Solution : https://service.sap.com/sap/support/notes/375132 (SAP Service marketplace login required)
Key words : 
filling field comp_disj = 'x', support package 12 reason, correct accelerated flow, 0b support package 12, 0b support package 14, make additional checks, user-defined dimension, condense disjunct records, disjunct means, time dimension
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