Flow price: --
d54f57ed9c08bb0d31f30e473c17ac6536a900fafbaf4cdf38e8bc6c62785eaa

Transaction

Hash: d54f57ed9c08bb0d31f30e473c17ac6536a900fafbaf4cdf38e8bc6c62785eaa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d54f57ed9c08bb0d31f30e473c17ac6536a900fafbaf4cdf38e8bc6c62785eaa: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:
d54f57ed9c08bb0d31f30e473c17ac6536a900fafbaf4cdf38e8bc6c62785eaa
Status:
ERROR
Block height:
40127304
Block id:
38dd83edb471e41ff4f95f9c0b7d64ef8518bead4f8859325e74853ea8e921f9
Timestamp:
Tuesday 1 November 2022 at 21:00:02 UTC
()
Proposer:
Authorizers:
Gas used:
46