The update that installed itself today broke it, nothing will install:
Checking iOS version...
iOS version 13.6.1, will mangle bundleID
Obtaining team ID
Checking private key
Generating keypair
Making CSR
Signing certificate for Gaming-PC
Revoking cert for Cydia
Looking up app ID
Using app ID "PvZ 2 iOSGods com" with id 7U6VGUQHYK
Signing...
Connecting...
Temporarily removed 5 profile(s)
Uploading...
Installing...
Installing 5%: CreatingStagingDirectory
Installing 15%: ExtractingPackage
Installing 20%: InspectingPackage
Installing 20%: TakingInstallLock
Installing 30%: PreflightingApplication
Installing 30%: InstallingEmbeddedProfile
Installing 40%: VerifyingApplication
Installation failed: 3892346905 ApplicationVerificationFailed (Failed to verify code signature of /private/var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.F8mwMx/extracted/Payload/PvZ2.app : 0xe8008019 (The application does not have a valid signature.))
Restored 5 profile(s)
ERROR: 3892346905: ApplicationVerificationFailed (Failed to verify code signature of /private/var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.F8mwMx/extracted/Payload/PvZ2.app : 0xe8008019 (The application does not have a valid signature.))