Flow price: --
d1e39c70da1bbf6ec80bcadfbf1f889e3918d6f9961a557ee7765e28d85c300e

Transaction

Hash: d1e39c70da1bbf6ec80bcadfbf1f889e3918d6f9961a557ee7765e28d85c300e
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:
  --> d1e39c70da1bbf6ec80bcadfbf1f889e3918d6f9961a557ee7765e28d85c300e: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:
d1e39c70da1bbf6ec80bcadfbf1f889e3918d6f9961a557ee7765e28d85c300e
Status:
ERROR
Block height:
40196751
Block id:
89a43b1498047bd52ea3c21e1d3fff4fe6f866382f53d914d29569c007bc5859
Timestamp:
Thursday 3 November 2022 at 02:24:41 UTC
()
Proposer:
Authorizers:
Gas used:
21