Flow price: --
3a057c925bc143efd4ca6d713b6b408b427a637f41a2582b7c73b5ce49a94e0c

Transaction

Hash: 3a057c925bc143efd4ca6d713b6b408b427a637f41a2582b7c73b5ce49a94e0c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3a057c925bc143efd4ca6d713b6b408b427a637f41a2582b7c73b5ce49a94e0c: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:
3a057c925bc143efd4ca6d713b6b408b427a637f41a2582b7c73b5ce49a94e0c
Status:
ERROR
Block height:
40137952
Block id:
073bbe01d528f288fd05f201bba30cf4aa64d4b28227861059e5db5923ab2517
Timestamp:
Wednesday 2 November 2022 at 01:20:39 UTC
()
Proposer:
Authorizers:
Gas used:
50