The plugin does not have a valid header.

Version 3.0.5

Greetings.
Wanting to activate the plugin, I see the message:
“The plugin does not have a valid header.”

Just in case, here is a list of the installed plugins:

Admin Menu Post List – Eliot Akira
blueimp lightbox – Sebastian Tschan
Custom Content Shortcode – Eliot Akira
Enable Media Replace – Måns Jonasson
Excerpts for Pages – Joan Boluda
Featured Image Admin Thumb – Sean Hayes
Google Analytics by MonsterInsights – MonsterInsights
jcwp left right key navigation – jaschahal
Jetpack by WordPress.com – Automattic
Open external links in a new window – Kristian Risager Larsen
Page Links To – Mark Jaquith
Plugins List – David Artiss
Postmatic – WordPress Subscriptions & Commenting by Email – Postmatic
Post Snippets – Johan Steen
Post Types Order – Nsp Code
Pretty Link Lite – Caseproof
Publish & View – Launch Interactive
Regenerate Thumbnails – Alex Mills (Viper007Bond)
Rename wp-login.php – Ella Iseulde Van Dorpe
Shortcodes Ultimate – Vladimir Anokhin
Simply Exclude – Paul Menard
UpdraftPlus – Backup/Restore – UpdraftPlus.Com, DavidAnderson
Wordfence Security – Wordfence
WP-Bigfoot – Roger Stringer
WP-SCSS – Connect Think
WP Featherlight – WP Site Care

https://ww.wp.xz.cn/plugins/goodbye-captcha/