Flow price: --
e1b16d2b042e1566a64118b0a00d1a97dd6f2b34dc664c879cf60f0486fd4139

Transaction

Hash: e1b16d2b042e1566a64118b0a00d1a97dd6f2b34dc664c879cf60f0486fd4139
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e1b16d2b042e1566a64118b0a00d1a97dd6f2b34dc664c879cf60f0486fd4139:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e1b16d2b042e1566a64118b0a00d1a97dd6f2b34dc664c879cf60f0486fd4139
Status:
ERROR
Block height:
39967938
Block id:
e2cbc84575dee610e1704645ed16c28e2367c9db191a074063a2f34b9eccb80b
Timestamp:
Sunday 30 October 2022 at 04:55:42 UTC
()
Proposer:
Authorizers:
Gas used:
49