Flow price: --
72d9020a9d64db1118cab8444fe76ea9a82c8c7253cac2e9a8ff7bf594cc5106

Transaction

Hash: 72d9020a9d64db1118cab8444fe76ea9a82c8c7253cac2e9a8ff7bf594cc5106
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 72d9020a9d64db1118cab8444fe76ea9a82c8c7253cac2e9a8ff7bf594cc5106:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
72d9020a9d64db1118cab8444fe76ea9a82c8c7253cac2e9a8ff7bf594cc5106
Status:
ERROR
Block height:
40156933
Block id:
0648d0b6ad011c25760fbacac50b0c1a667cfbeec90759821c3747377b53de81
Timestamp:
Wednesday 2 November 2022 at 09:03:50 UTC
()
Proposer:
Authorizers:
Gas used:
48