Flow price: --
3e28b9aa0b8828ac20deda6e3a0f1c974f8fc5e906d154095ab5e31083bcc0f1

Transaction

Hash: 3e28b9aa0b8828ac20deda6e3a0f1c974f8fc5e906d154095ab5e31083bcc0f1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 3e28b9aa0b8828ac20deda6e3a0f1c974f8fc5e906d154095ab5e31083bcc0f1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
3e28b9aa0b8828ac20deda6e3a0f1c974f8fc5e906d154095ab5e31083bcc0f1
Status:
ERROR
Block height:
40500866
Block id:
0258036366b1096cee1f9ecbc434d0cb57412587edc4cc7faaf4f7e406054d9d
Timestamp:
Tuesday 8 November 2022 at 03:30:56 UTC
()
Proposer:
Authorizers:
Gas used:
24