Flow price: --
3496a97eb56be5b4f13bc82e4d762537704c0d651f095e12592fa542b6834242

Transaction

Hash: 3496a97eb56be5b4f13bc82e4d762537704c0d651f095e12592fa542b6834242
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3496a97eb56be5b4f13bc82e4d762537704c0d651f095e12592fa542b6834242:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3496a97eb56be5b4f13bc82e4d762537704c0d651f095e12592fa542b6834242
Status:
ERROR
Block height:
40168560
Block id:
71f6c4caf15b733597c313b3ef14cb3ca1840511044002176e1801026ccda84c
Timestamp:
Wednesday 2 November 2022 at 13:45:25 UTC
()
Proposer:
Authorizers:
Gas used:
50