1967902 - KBA: Field GS_GEN_* does not exist - Error message during form activation

When trying to activate a new form or a new version of a form, this attempt fails with error message "Field GS_I* does not exist" or any simular messages, pointing out context fields that might not exist..

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• Global Trade Services (GTS)
• Global Trade Services / Logistics Services (SLL)
• SAP Global Trade Services 10.0
• SAP Global Trade Services 10.1
• SAP Global Trade Services 11.0
• Print Processing

Form Builder; /nsfp; sfp; Activation of new form; /sapsll/pf_eu_epas*; SAP Note 1752808; mismatch of interface, context and layout; Structure /sapsll/prn_if_s; update context structures; Formuluar /sapsll/pf_eu_epas_FR, Knoten EXT_NAME;
Das Feld GS_I_GEN_FIRST-GS_I_GEN-I_PAR-EXT_NAME1 existiert nicht; Formuluar /sapsll/pf_eu_epas_FR, Knoten EXT_STREET;
Das Feld GS_I_GEN_FIRST-GS_I_GEN-I_PAR-EXT_STREET existiert nicht; Formuluar /sapsll/pf_eu_epas_FR, Knoten EXT_POST_CODE1;
Das Feld GS_I_GEN_FIRST-GS_I_GEN-I_PAR-EXT_POST_CODE1 existiert nicht; Feld GS_I_GEN_FIRST-* existiert nicht; Formular aktivieren; inaktiv; Knoten; Kontext; Interface; aktiv; Fehler; GTS; Formular; SAP; Zoll; , KBA , SLL-LEG-FUN-PRN , GF: Printing , SLL-LEG , Global Trade Services GTS , SLL , Global Trade Services / Logistics Services , SLL-LEG-FUN , General Functions , How To