Flow price: --
74f310cedcdc7779c15410370e743d337a6557e974cb9af1c321b34fa9c353ad

Transaction

Hash: 74f310cedcdc7779c15410370e743d337a6557e974cb9af1c321b34fa9c353ad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 74f310cedcdc7779c15410370e743d337a6557e974cb9af1c321b34fa9c353ad: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:
74f310cedcdc7779c15410370e743d337a6557e974cb9af1c321b34fa9c353ad
Status:
ERROR
Block height:
39975463
Block id:
f5bc8c4cdd830bafb5cf5a73d4307f2870c5a3dc92084babf829a2482b2c35d2
Timestamp:
Sunday 30 October 2022 at 07:57:11 UTC
()
Proposer:
Authorizers:
Gas used:
49