Flow price: --
950cac0d5c858ab68ceea850e5c34a157a5137f9eae4e85fd90552d68a0020dd

Transaction

Hash: 950cac0d5c858ab68ceea850e5c34a157a5137f9eae4e85fd90552d68a0020dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 950cac0d5c858ab68ceea850e5c34a157a5137f9eae4e85fd90552d68a0020dd: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:
950cac0d5c858ab68ceea850e5c34a157a5137f9eae4e85fd90552d68a0020dd
Status:
ERROR
Block height:
39999564
Block id:
0c53b22def89a52f0eef0d070dca3dbcc453204e183d9f9cb9853ce9be043b96
Timestamp:
Sunday 30 October 2022 at 17:35:47 UTC
()
Proposer:
Authorizers:
Gas used:
49