PDF Stamper – "cannot be decoded with this version of ionCube Loader" by Tips and Tricks HQ Support Portal › Forums › WP PDF Stamper › WP PDF Stamper Troubleshooting › PDF Stamper – "cannot be decoded with this version of ionCube Loader" Tagged: Ioncube, stamper This topic has 13 replies, 5 voices, and was last updated 8 years ago by admin. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In