Title: Error message Unchecked runtime.lastError
Last modified: February 26, 2019

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# Error message Unchecked runtime.lastError

 *  [smolo](https://wordpress.org/support/users/smolo/)
 * (@smolo)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/error-message-unchecked-runtime-lasterror/)
 * Recently an error message appears in the Developer Console
 * (index):1 Unchecked runtime.lastError: Could not establish connection. Receiving
   end does not exist.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Thread Starter [smolo](https://wordpress.org/support/users/smolo/)
 * (@smolo)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/error-message-unchecked-runtime-lasterror/#post-11286791)
 * Solved. A chrome extension caused this error.
 *  [laurelee](https://wordpress.org/support/users/laurelee/)
 * (@laurelee)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/error-message-unchecked-runtime-lasterror/#post-11309721)
 * Which chrome extension did you find caused the error?
 *  Thread Starter [smolo](https://wordpress.org/support/users/smolo/)
 * (@smolo)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/error-message-unchecked-runtime-lasterror/#post-11344881)
 * I don’t remember which extention caused the error. To find out which extension
   caused the error, I first disabled all of them and then reactivated one by one.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Error message Unchecked runtime.lastError’ is closed to new replies.

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 * 3 replies
 * 2 participants
 * Last reply from: [smolo](https://wordpress.org/support/users/smolo/)
 * Last activity: [7 years, 2 months ago](https://wordpress.org/support/topic/error-message-unchecked-runtime-lasterror/#post-11344881)
 * Status: not resolved