Flow price: --
3f1ecd6b9977e6bdf027da9c9dca161ed172f0ce68e8e4e2e008aadf49d13761

Transaction

Hash: 3f1ecd6b9977e6bdf027da9c9dca161ed172f0ce68e8e4e2e008aadf49d13761
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f1ecd6b9977e6bdf027da9c9dca161ed172f0ce68e8e4e2e008aadf49d13761:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f1ecd6b9977e6bdf027da9c9dca161ed172f0ce68e8e4e2e008aadf49d13761
Status:
ERROR
Block height:
40107507
Block id:
220bd7387c1d34a1d9df627ec2f0fdeee4778887ca9bed2663ff15861750ed5c
Timestamp:
Tuesday 1 November 2022 at 12:57:25 UTC
()
Proposer:
Authorizers:
Gas used:
49