Flow price: --
4894c6495c0e98b980aba58b4cdf5c81fe148b60c3972adf7819f8f638bd1391

Transaction

Hash: 4894c6495c0e98b980aba58b4cdf5c81fe148b60c3972adf7819f8f638bd1391
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:
  --> 4894c6495c0e98b980aba58b4cdf5c81fe148b60c3972adf7819f8f638bd1391:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
4894c6495c0e98b980aba58b4cdf5c81fe148b60c3972adf7819f8f638bd1391
Status:
ERROR
Block height:
40652611
Block id:
1562d55638d34d112f5b80a69942b7f69fa6d6e4504c206ca88a7b0c07093172
Timestamp:
Thursday 10 November 2022 at 16:43:03 UTC
()
Proposer:
Authorizers:
Gas used:
23