Debugging Cron get "Duplicate entry '' for key 'uc_guid' Home › Forums › Newsletter Plugin Support › Debugging Cron get "Duplicate entry '' for key 'uc_guid' This topic has 3 replies, 2 voices, and was last updated 5 years, 4 months ago by Barclay Berger. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts September 11, 2018 at 6:44 pm #119445 Barclay BergerParticipant (redacted) September 11, 2018 at 7:16 pm #119461 Barclay BergerParticipant I think it was postman smtp causing error, sorry September 14, 2018 at 7:47 am #120039 StefanoKeymaster Deactivate and reactivate it: something is trying to write data in your posts table using a field which does not exists. And probably it’s not postman. Stefano. August 26, 2020 at 3:33 pm #257598 Barclay BergerParticipant it was from a transient index in the table. Finally figured it out Author Posts Check out our premium plans with priority support. Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In