Flow price: --
564eb4ea974b1217d3732df994a03f6092b7836ca7b0d7e80ba617c50f1ce355

Transaction

Hash: 564eb4ea974b1217d3732df994a03f6092b7836ca7b0d7e80ba617c50f1ce355
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 564eb4ea974b1217d3732df994a03f6092b7836ca7b0d7e80ba617c50f1ce355:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
564eb4ea974b1217d3732df994a03f6092b7836ca7b0d7e80ba617c50f1ce355
Status:
ERROR
Block height:
40044254
Block id:
a7be210d2b60ae91a2bd886735d9b6c23a9c2ccb203d1a8079d50d1dd687286a
Timestamp:
Monday 31 October 2022 at 11:27:10 UTC
()
Proposer:
Authorizers:
Gas used:
46