Flow price: --
21dfcdfb3a7a5b715c4a2752c9d6dfdff6175a6f6dc87d5684e58d43d3173388

Transaction

Hash: 21dfcdfb3a7a5b715c4a2752c9d6dfdff6175a6f6dc87d5684e58d43d3173388
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21dfcdfb3a7a5b715c4a2752c9d6dfdff6175a6f6dc87d5684e58d43d3173388:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21dfcdfb3a7a5b715c4a2752c9d6dfdff6175a6f6dc87d5684e58d43d3173388
Status:
ERROR
Block height:
39800367
Block id:
a1e5fd6253aadf3598e973eaf8899af810daaa2217a003627a4c9f4f2500f320
Timestamp:
Thursday 27 October 2022 at 09:44:27 UTC
()
Proposer:
Authorizers:
Gas used:
48