Title: Activation error (invalid header)
Last modified: November 16, 2018

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# Activation error (invalid header)

 *  [Simone Montanari](https://wordpress.org/support/users/semikola/)
 * (@semikola)
 * [7 years, 11 months ago](https://wordpress.org/support/topic/activation-error-invalid-header/)
 * Hi there,
 * when I try to activate the plugin on my network I get this error:
 * > The plugin does not have a valid header.
 * Does anyone know how to solve this?
 * Thanks a lot,
 * Simone

The topic ‘Activation error (invalid header)’ is closed to new replies.

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## Tags

 * [invalid header](https://wordpress.org/support/topic-tag/invalid-header/)

 * 0 replies
 * 1 participant
 * Last reply from: [Simone Montanari](https://wordpress.org/support/users/semikola/)
 * Last activity: [7 years, 11 months ago](https://wordpress.org/support/topic/activation-error-invalid-header/)
 * Status: not resolved