Flow price: --
d20391b431e50a3d8a9161440acc0a4c0cf051db64ecd7512ddcd07b4ce8cee6

Transaction

Hash: d20391b431e50a3d8a9161440acc0a4c0cf051db64ecd7512ddcd07b4ce8cee6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d20391b431e50a3d8a9161440acc0a4c0cf051db64ecd7512ddcd07b4ce8cee6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d20391b431e50a3d8a9161440acc0a4c0cf051db64ecd7512ddcd07b4ce8cee6
Status:
ERROR
Block height:
39844805
Block id:
246fa7fd7b538629293420279ae103547d66dfcae75f62124c0a05a5f45e012f
Timestamp:
Friday 28 October 2022 at 03:39:57 UTC
()
Proposer:
Authorizers:
Gas used:
45