Flow price: --
18499577097b7394755fece19c6d8f5821b215e54ee9d885c3f58b6ff01dcbf3

Transaction

Hash: 18499577097b7394755fece19c6d8f5821b215e54ee9d885c3f58b6ff01dcbf3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 18499577097b7394755fece19c6d8f5821b215e54ee9d885c3f58b6ff01dcbf3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
18499577097b7394755fece19c6d8f5821b215e54ee9d885c3f58b6ff01dcbf3
Status:
ERROR
Block height:
40170654
Block id:
5b88ae61ac5de2633befcc9814941fdbafff8e53820df0caa434bdd6b3e168b1
Timestamp:
Wednesday 2 November 2022 at 14:36:28 UTC
()
Proposer:
Authorizers:
Gas used:
46