My Dual whatsapp is not working properly

[ldn]

After the update to OneUI 3.1 my dual whatsapp having the following issues.

1. I cant attach the photos taken from the whatsapp camera. ( It showing " The file format is not supported").

2. PDF files received can't able to open. ( I tried different pdf viewer available in play store but same result )

3. The photos received is not showing in gallery ( I can't able to find it in file manager also) 

4. I can't mark, draw lines, add smilies on the picture attachment.

Please make some solution of it in next update.

# dual whatsapp 

[Saberçcc]

same things as above ,I need solution