Solution : https://service.sap.com/sap/support/notes/421617 (SAP Service marketplace login required)
Key words :
additional key words cj2b, prerequisites program error solution 1, data element 'ps_prart', source code change, user-specific grouping, user specific settings, project planning board, field selection box, project type field, project type
Related Notes :
527100 | CJ2B: Changed column titles after field selection |
403738 | CJ2B: Gaps or incorrect values in table area |
358677 | CJ2B: Contents in table area differs from CN41 |