class MyContentBlock extends ContentBlock{
class TestimonialContentBlock extends MyContentBlock{
All worked fine and as expected. I then added a 3rd block
class SidebarContentBlock extends MyContentBlock{
Then when I went to add a CB in the model admin I get:
ERROR [User Warning]: GridFieldManyRelationHandler requires the GridField to have a RelationList. Got a UnsavedRelationList instead.
IN GET /admin/block-admin/Block/EditForm/field/Block/add-multi-class/TestimonialContentBlock
I have created two of my own content blocks:
All worked fine and as expected. I then added a 3rd block
class SidebarContentBlock extends MyContentBlock{
Then when I went to add a CB in the model admin I get:
ERROR [User Warning]: GridFieldManyRelationHandler requires the GridField to have a RelationList. Got a UnsavedRelationList instead. IN GET /admin/block-admin/Block/EditForm/field/Block/add-multi-class/TestimonialContentBlock
Please help - thanks!