Flow price: --
9475dcda8e91c1afe88a47e6fbb7aaa93e87855a1f565a44f2b4312ac8a73021

Transaction

Hash: 9475dcda8e91c1afe88a47e6fbb7aaa93e87855a1f565a44f2b4312ac8a73021
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9475dcda8e91c1afe88a47e6fbb7aaa93e87855a1f565a44f2b4312ac8a73021:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9475dcda8e91c1afe88a47e6fbb7aaa93e87855a1f565a44f2b4312ac8a73021
Status:
ERROR
Block height:
39916920
Block id:
416eb1b23ab577e966289d939c71bcb79724eb7165c971435c79a41a775c32f4
Timestamp:
Saturday 29 October 2022 at 08:32:37 UTC
()
Proposer:
Authorizers:
Gas used:
64