Flow price: --
fd42e73d68c1f237d1fe13bd4de1adcf4c296a41c8e4b6f52191783b9bb40242

Transaction

Hash: fd42e73d68c1f237d1fe13bd4de1adcf4c296a41c8e4b6f52191783b9bb40242
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:
  --> fd42e73d68c1f237d1fe13bd4de1adcf4c296a41c8e4b6f52191783b9bb40242:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
fd42e73d68c1f237d1fe13bd4de1adcf4c296a41c8e4b6f52191783b9bb40242
Status:
ERROR
Block height:
41428746
Block id:
2cc4d43e1708ad6c354e97f1dd8c5ef0eab0845ec688c689c3e923fe0578c50c
Timestamp:
Wednesday 23 November 2022 at 09:55:13 UTC
()
Proposer:
Authorizers:
Gas used:
26