Solution : https://service.sap.com/sap/support/notes/310439 (SAP Service marketplace login required)
Key words :
'element list' title element, field length longer, additional key words, function group massinterface, symptom refer, mass maintenance, prerequisites solution 1, screen load, change screen 212, maintenance transaction
Related Notes :
358448 | Screen SAPLMASSINTERFACE 0212 - DYNPRO_SYNTAX_ERROR |
325313 |