Cannot load ims-settings.

Hi there! Thank you for your plugin!
I have a problem: in settings area when I save the page error appears “Cannot load ims-settings.” when I return to the settings The changes have been saved
This is The plug-in list

All in One SEO Pack (v. 1.6.14.5) by Michael Torbert.
AutoChimp (v. 1.14) by Wanderer LLC Dev Team.
Comprehensive Google Map Plugin (v. 7.0.29) by Alexander Zagniotov.
Contact Form 7 (v. 3.2) by Takayuki Miyoshi.
Facebook Like Box (v. 2.3) by Sunento Agustiar Wu.
GoGadget Weather and Weatherforecast Widget (v. 5.0) by Guido Osterwald.
Google XML Sitemaps (v. 3.2.7) by Arne Brachhold.
Image Store (v. 3.0.9) by Hafid R. Trujillo Huizar.
MailChimp Widget (v. 0.8.12) by James Lafferty.
NextGEN Gallery (v. 1.9.3) by Alex Rabe.
No Right Click Images Plugin (v. 2.2) by Keith P. Graham.
Ozh’ Admin Drop Down Menu (v. 3.6.3) by Ozh.
Plugins list (v. 1.0) by Davide Benini.
Search & Replace (v. 2.6.4) by Frank Bültge.
Sharebar (v. 1.2.4) by Monjurul Dolon.
Simple “Coming soon” And “Under construction” (v. 1.0.1) by Mario Kostelac.
SlideDeck for WordPress – Slider Widget (v. 1.4.6) by digital-telepathy.
Social Login for wordpress (v. 2.3) by LoginRadius Team.
Transposh Translation Filter (v. 0.8.3) by Team Transposh.
Viper’s Video Quicktags (v. 6.4.1) by Viper007Bond.
WordPress Backup to Dropbox (v. 1.1) by Michael De Wildt.
WordPress NextGen GalleryView (v. 0.5.2) by John Brien.
WP Super Cache (v. 1.1) by Donncha O Caoimh.
WPtouch (v. 1.9.41) by BraveNewCode Inc..