Flow price: --
b2a3ecd89b670606b5a466eb903c5462a4200c349414b3111df2d0e78af08c27

Transaction

Hash: b2a3ecd89b670606b5a466eb903c5462a4200c349414b3111df2d0e78af08c27
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2a3ecd89b670606b5a466eb903c5462a4200c349414b3111df2d0e78af08c27:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b2a3ecd89b670606b5a466eb903c5462a4200c349414b3111df2d0e78af08c27
Status:
ERROR
Block height:
39763188
Block id:
b4156346db0ff3beb5c21cc142f555fbfbe548f1697286c3a44a736d8928654c
Timestamp:
Wednesday 26 October 2022 at 18:45:42 UTC
()
Proposer:
Authorizers:
Gas used:
51