Flow price: --
369a6ef941e23a7f6d503b8b3933b0e2500fae268a3faba36776832086e8d528

Transaction

Hash: 369a6ef941e23a7f6d503b8b3933b0e2500fae268a3faba36776832086e8d528
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 369a6ef941e23a7f6d503b8b3933b0e2500fae268a3faba36776832086e8d528:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
369a6ef941e23a7f6d503b8b3933b0e2500fae268a3faba36776832086e8d528
Status:
ERROR
Block height:
40062344
Block id:
2bf5d93a3d1544a95c337cb8e7376bb0c1a01dbd4f7fa639444262c836bc28e1
Timestamp:
Monday 31 October 2022 at 18:46:18 UTC
()
Proposer:
Authorizers:
Gas used:
46