Flow price: --
604c5129c3ced24c07a9f301340ca5dd1263d8cdfda71157191cc73289e2956d

Transaction

Hash: 604c5129c3ced24c07a9f301340ca5dd1263d8cdfda71157191cc73289e2956d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 604c5129c3ced24c07a9f301340ca5dd1263d8cdfda71157191cc73289e2956d: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:
604c5129c3ced24c07a9f301340ca5dd1263d8cdfda71157191cc73289e2956d
Status:
ERROR
Block height:
40061732
Block id:
b5649b0f388acc5f0ea829ffa20d4245414b739662fc24b11d78cab06944a2d9
Timestamp:
Monday 31 October 2022 at 18:31:27 UTC
()
Proposer:
Authorizers:
Gas used:
47