Flow price: --
e40b3256ca936f24d45d5290e9c4c2e97d243b5019adef87e0278cf275aa6cb2

Transaction

Hash: e40b3256ca936f24d45d5290e9c4c2e97d243b5019adef87e0278cf275aa6cb2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e40b3256ca936f24d45d5290e9c4c2e97d243b5019adef87e0278cf275aa6cb2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e40b3256ca936f24d45d5290e9c4c2e97d243b5019adef87e0278cf275aa6cb2
Status:
ERROR
Block height:
40073090
Block id:
eb498a26c8af1f5b74e67cb720f1278b6736e1201d71ac8bf6c16fcd1122233a
Timestamp:
Monday 31 October 2022 at 23:02:37 UTC
()
Proposer:
Authorizers:
Gas used:
51