I am a Mac user, using Yosemite version 10.10.5. I am using Adobe Acrobat Reader DC version 2015.008.20082. "CoolType error 'CT bad param: invalid glyphID'.pop up every time I try to fill in a word in a form , anyone can help me solve the problem. Thanks
Using a PC with Windows 7
I have the same error when opening a pdf file I downloaded. On one PC the pdf opens ok, on another pc I get the CoolType error 'CT bad param: invalid glyphID' error. Have you figured out the solution?