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If issue related to printing you can ask also these questions:
11) Can you please tell me which version of the print form out of these three are you are using?
12) Check if the printers are configured and connected to your tablet.
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1) Try to download the application installation file from this link and installing, or reinstalling it, if you already have Application installed on your tablet. Download it from https://mobile-apps.firstbit.ae/fb-acc-21126/ae.firstbit.mobileclient-client-arm.apk. (you You can select different link according to the appropriate version from this page https://mobile-apps.firstbit.ae/ )
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3) If you are using mobile Application, clear cache of this application (use user guide for your device).
34) Restart your tablet.