Flow price: --
a1063ac2bcb7a7d5762d828cea95a2ef4fc3454e1f567c8493dec8702a170296

Transaction

Hash: a1063ac2bcb7a7d5762d828cea95a2ef4fc3454e1f567c8493dec8702a170296
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1063ac2bcb7a7d5762d828cea95a2ef4fc3454e1f567c8493dec8702a170296:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a1063ac2bcb7a7d5762d828cea95a2ef4fc3454e1f567c8493dec8702a170296
Status:
ERROR
Block height:
39965606
Block id:
65ac3822a1ea0bd39c4274c0ae94ae6f333d5c8b742c8c7ecd5b79be8f3aae5c
Timestamp:
Sunday 30 October 2022 at 03:59:51 UTC
()
Proposer:
Authorizers:
Gas used:
47