Flow price: --
b4f56bb6c6034018fa8f90d75e080406e5f92a147f0554bcf6cb29037a878195

Transaction

Hash: b4f56bb6c6034018fa8f90d75e080406e5f92a147f0554bcf6cb29037a878195
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4f56bb6c6034018fa8f90d75e080406e5f92a147f0554bcf6cb29037a878195:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4f56bb6c6034018fa8f90d75e080406e5f92a147f0554bcf6cb29037a878195
Status:
ERROR
Block height:
40150867
Block id:
cebb299f9592e0fe0fc1408d3b1d1def46af773fd11e3866807d9ed3c48fe36b
Timestamp:
Wednesday 2 November 2022 at 06:35:30 UTC
()
Proposer:
Authorizers:
Gas used:
47