When you first time modify ipa file using Objection or Frida, you probably encounter an error during the installation on your iPhone.
You might see such error:
To resolve this you can use AppSync Unified.
Official website: link.
First, you need to go to Cydia and add resource: cydia.akemi.ai
Then you do the Search tab and find AppSync Unified.
After installation, you can install ipa files without any error.