Flow price: --
b2dac587339d485e90c0a96da0b7dee9f9358a62803c290e961cb1f058e65ba1

Transaction

Hash: b2dac587339d485e90c0a96da0b7dee9f9358a62803c290e961cb1f058e65ba1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2dac587339d485e90c0a96da0b7dee9f9358a62803c290e961cb1f058e65ba1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b2dac587339d485e90c0a96da0b7dee9f9358a62803c290e961cb1f058e65ba1
Status:
ERROR
Block height:
39989992
Block id:
ee526cced66539fa12f423c41abd7dbdb10e9dbc00a055b0df205046953771db
Timestamp:
Sunday 30 October 2022 at 13:45:35 UTC
()
Proposer:
Authorizers:
Gas used:
50