Flow price: --
766b4917dbcac9567e785481ccc8854afb961ee264afb4997900dd32a8c894c2

Transaction

Hash: 766b4917dbcac9567e785481ccc8854afb961ee264afb4997900dd32a8c894c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 766b4917dbcac9567e785481ccc8854afb961ee264afb4997900dd32a8c894c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
766b4917dbcac9567e785481ccc8854afb961ee264afb4997900dd32a8c894c2
Status:
ERROR
Block height:
40136143
Block id:
a58d5911cd7124337ff7d252e1f884f9391c70e11db82d8991529f31cfd21f83
Timestamp:
Wednesday 2 November 2022 at 00:36:56 UTC
()
Proposer:
Authorizers:
Gas used:
47