As you can see the entry in baseline history is one character longer than the entry in bln_spec_catalogue. The customer should run DBL 'ECS: BUILD 5' (note preceding white space chacter is included ) and baseline should be deleted.
As stated in the documentation: "You cannot modify a suspended revision or include it in a baseline or release , but you can create new revisions from it." This includes any refactoring, which does an update of the item revision.
These include the long- ... COMMAND INVALID/CMN1395A - Valid line commands for frozen components are:B,BA,BD, BL ,H,SL,V,VL. ... The information provided here is correct as of time of writing for the ZMF 8.1.2 to 8.1.4 releases .
Report Builder Dialog Box Specifies the attributes or relationships to be included in a Boolean filtering relationship determined by the logical operators described below. ... The pop up menu of options includes a ... Baseline ... Release