Error: message("Failed to find executable address")

Happy to provide more info if needed

## Error
```
flexdecrypt file Gridrunner
2021-09-12 23:48:19.333 flexdecrypt[3889:45266] thread_get_state error: 0x4 (os/kern) invalid argument
Error: message("Failed to find executable address")
```

## Notes
- rasticrac also fails
```
*** Rasticrac v3.3.6 ***
Locating 'Gridrunner'
Found 'Gridrunner': Gridrunner [Llamasoft]
Trying to do main executable...
Info: MonsterX02 (9 - 11 - 0)
Error: RastDecrypted ERR#137 (11on64)
NOTE: iDevice is '1033' and executable is '43'
```
- Clutch also fails
```
Clutch -d uk.co.llamasoft.gridrunner
2021-09-12 23:51:29.548 Clutch[3891:45590] command: Dump specified bundleID into .ipa file
Zipping Gridrunner.app
Swapping architectures..
Error: Failed to find address of header!

Error: Failed to dump with arch armv7

2021-09-12 23:51:30.490 Clutch[3891:45608] failed operation :(
2021-09-12 23:51:30.491 Clutch[3891:45608] application {name = 'NSOperationQueue 0x1003502f0'}
Swapping architectures..
Error: Failed to find address of header!

Error: Failed to dump with arch armv7s

2021-09-12 23:51:30.536 Clutch[3891:45608] failed operation :(
2021-09-12 23:51:30.536 Clutch[3891:45608] application {name = 'NSOperationQueue 0x1003502f0'}
Error: Failed to dump

2021-09-12 23:51:30.536 Clutch[3891:45608] failed operation :(
2021-09-12 23:51:30.536 Clutch[3891:45608] application {name = 'NSOperationQueue 0x1003502f0'}
FAILED:
Finished dumping uk.co.llamasoft.gridrunner in 2.9 seconds
```