Flow price: --
bf37ab8b934dcd02ca15bdb78d80300d9da40b817efd552ef3291484ce117663

Transaction

Hash: bf37ab8b934dcd02ca15bdb78d80300d9da40b817efd552ef3291484ce117663
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bf37ab8b934dcd02ca15bdb78d80300d9da40b817efd552ef3291484ce117663:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bf37ab8b934dcd02ca15bdb78d80300d9da40b817efd552ef3291484ce117663
Status:
ERROR
Block height:
40160181
Block id:
dd69292b6b32a467bedfb1aa860335fe807d8c488939e2b974e025f22429658e
Timestamp:
Wednesday 2 November 2022 at 10:22:54 UTC
()
Proposer:
Authorizers:
Gas used:
46