Flow price: --
02a7f7c138aa7b47654df7c427d7406c01214e4afab1c0c1486c458a13719a27

Transaction

Hash: 02a7f7c138aa7b47654df7c427d7406c01214e4afab1c0c1486c458a13719a27
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02a7f7c138aa7b47654df7c427d7406c01214e4afab1c0c1486c458a13719a27:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
02a7f7c138aa7b47654df7c427d7406c01214e4afab1c0c1486c458a13719a27
Status:
ERROR
Block height:
39969982
Block id:
ec58aae6b6757d2f23cfd01524a0f7a7038f93f30daf268fe94508d8ad510e2a
Timestamp:
Sunday 30 October 2022 at 05:45:01 UTC
()
Proposer:
Authorizers:
Gas used:
50