Flow price: --
139c2a2003f01b1dbb723cf5cfda72ee7a3261ea006a1af37b27c98f31851a70

Transaction

Hash: 139c2a2003f01b1dbb723cf5cfda72ee7a3261ea006a1af37b27c98f31851a70
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 139c2a2003f01b1dbb723cf5cfda72ee7a3261ea006a1af37b27c98f31851a70:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
139c2a2003f01b1dbb723cf5cfda72ee7a3261ea006a1af37b27c98f31851a70
Status:
ERROR
Block height:
40046918
Block id:
5adcd60c28b19ba897293ca266678058bee7d65a7182333409ec3af9893793e4
Timestamp:
Monday 31 October 2022 at 12:31:43 UTC
()
Proposer:
Authorizers:
Gas used:
47