When saving a newly added block type with subfields to an existing Matrix, the subfields of the new block type are gone and also are the subfields of 6 of the last block types. The whole Matrix contains 29 block types.

I'm using Craft CMS 2.6.2982.

1 Answer 1


Bumping php.ini's max_input_vars to a higher value as described in the answer here fixed it.

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