Error Getting License License Server Communication problem E_GOOGLE__DEVİCE_LIMIT_REACHED

Hello there

"Error Getting License Server Communication problem E_GOOGLE__DEVİCE_LIMIT_REACHED" error message. I cannot read Pdf files I purchased. Adobe Digital Editions always gives the same error in versions 2.00, 3.00 and 4.50. I can't read the books I bought Google books from Adobe Digital Editions. Please help. I can solve it. Thank you to those who helped.

Mehmet Gursular