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I have this unexpected header error result when adding or deleting variables

Evis 25 Aug 2016 00:29 problem, active

Cannot modify header information - headers already sent by (output started at ee/legacy/core/Exceptions.php:115)

Replies

1. Low 25 Aug 2016 06:44

   What are your PHP, EE and LV versions? Also, are these errors appearing for each variable type or just specific ones?