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I just upgraded yesterday emacs from version 25.2 to 27.0.5. Now I am encountering this problem, any idea of how to fix it?

Tern error

This happens in some tern functions I try to use: tern-get-docs, tern-ac-complete...

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    Please provide a full backtrace by using M-x toggle-debug-on-error, reproducing the problem and copy-pasting the full backtrace into your question. – wasamasa Sep 23 '17 at 15:53
  • Ok, I followed your instruction, but I don't see more output. "I am checking the "Messages " buffer – Sebas Sep 23 '17 at 18:06
  • It should pop up a backtrace buffer when running into an error unless errors are suppressed. In that case you'll have to study tern's sources to figure out how and change that so that you'll get a backtrace again. Alternatively ask on the project's bug tracker. – wasamasa Sep 23 '17 at 18:29
  • Facing the same issues here. I opened an issue in the ternjs github issues tracker. Looks like updating to emacs master broke ternjs :( – Chakravarthy Raghunandan Sep 24 '17 at 14:10
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    Tern got updated in MELPA to fix this issue :) – Chakravarthy Raghunandan Sep 27 '17 at 4:14
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Ok, it is already solved by the tern's update in MELPA

tern

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