PDF Maker

Please, check the all Vtiger parameters: https://it-solutions4you.com/tipstricks/vtiger-system-requirements/You can also try performing the following steps:
  1. Please download following zip file: http://its4you.sk/images/extensions/PDFMaker/src/ckeditor.zip
  2. Then go to the folder vtigerdirectory/modules/PDFMaker/resources.
  3. Rename folder ckeditor to ckeditorOLD.
  4. Open the zip file and copy ckeditor from zip file to this folder.
  5. Next go to the CRM, clear browser cache and try again.
Yes, our PDF Maker is full Module Manager compatible, so you can install it without any problems and without overwrite any vtiger core files.
PDF Maker allows you to use all standard and all custom fields created with Layout editor.
At the time our PDF Maker is compatible with Vtiger CRM versions:7.0, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5.8.0, 8.1, 8.2.We do not recommend running PDF Maker on Vtiger 5.x and 6.x as these versions of Vtiger itself are very unstable.