Flow price: --
379f993011f69a7fafc68fcffc6a53e2373563964c30f0d73821e9e3980c8e28

Transaction

Hash: 379f993011f69a7fafc68fcffc6a53e2373563964c30f0d73821e9e3980c8e28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 379f993011f69a7fafc68fcffc6a53e2373563964c30f0d73821e9e3980c8e28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
379f993011f69a7fafc68fcffc6a53e2373563964c30f0d73821e9e3980c8e28
Status:
ERROR
Block height:
40115272
Block id:
278f495e9e40aa29c17dd308036204387176e2f2130288589aa97a4a59c247d5
Timestamp:
Tuesday 1 November 2022 at 16:05:59 UTC
()
Proposer:
Authorizers:
Gas used:
47