Editing discussion board flat view with SPD causes errorGP0|#99d6b7ed-d90b-4d6a-90f9-79be0815c40b;L0|#099d6b7ed-d90b-4d6a-90f9-79be0815c40b|SharePoint Designer;GTSet|#68e31ecf-dbe9-45e0-8a3c-fc6bd6ad0ce6;GPP|#622a2a3e-b232-4024-952a-55c7b56949a4;GPP|#74f9ea2a-fcec-489f-9ca4-da563b559213;GP0|#c1e34bd2-0198-4037-a327-dc159bc8cf33;L0|#0c1e34bd2-0198-4037-a327-dc159bc8cf33|Social;GPP|#a5205c2f-ad79-446f-8d9e-afd0eeecf427