error : [Microsoft.Dynamics.AX.Framework.Services.Metadata.Contracts.TableRelationshipMetadata]’ was thrown when open EP page October 29, 2015 Sti F. Cavendish AX 2012, AX 2012 ERROR, EnterprisePortal AX 2012, EnterprisePortal, METADATA, RELATIONSHIP after doing some checking on the table relation, i found one of the table relation is missing. this is probably some other developer forgot to fill the field on AOT table relations. error cause : just fill the field relations like picture below :