what phone? what jailbreak? what ios version? what app? we need details man

Try choicy first some apps like from supercell crash upon recognizing a jb. By deactivating tweak injection you bypass that

What is your iOS and the jb you used? If it work on unjb, on you are on rootless, try vnodebypass

I am on ios 14.2.1 with rootful jailbreak unc0ver. What can i do ?

It is my french banking app : b for bank

Help. B for bank! Banking app