Flow price: --
31d180cddf23136502ac933b922affd0b65a13f6ce98e908582d8846069b4f47

Transaction

Hash: 31d180cddf23136502ac933b922affd0b65a13f6ce98e908582d8846069b4f47
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 31d180cddf23136502ac933b922affd0b65a13f6ce98e908582d8846069b4f47:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
31d180cddf23136502ac933b922affd0b65a13f6ce98e908582d8846069b4f47
Status:
ERROR
Block height:
40046328
Block id:
2f1c37f7e4f9081eba4b4a46b4af79064d2b697a2ba6ad24bc8086381f3a3043
Timestamp:
Monday 31 October 2022 at 12:17:29 UTC
()
Proposer:
Authorizers:
Gas used:
47