I'm experiencing the same issue. I have the most recent version of Java (6, Update 32) and I've republished my course in Presenter and I still receive an LMS API error message. We have a license on a couple of computers and I'm receiving the error on the other computer as well. Any thoughts?
Grout needs between 48 and 72 hours to dry before it can be properly sealed. Despite the fact that grout often looks dry within a few hours, sealing it too early can damage the grout and keep it from effectively doing its job. Keep Learning.
How to Seal Grout. Two Methods: Using Liquid Grout Sealer Using Aerosol Grout Sealers Community Q&A. Penetrating grout sealers help prevent staining and prevent grease from seeping into the grout, while other non-penetrating grout sealers form a barrier to protect the grout from water and stains.