Flow price: --
349448200e9f0b9a8c8f386f2b0f2c8152f956f16b366eb7de2d1f8f40148489

Transaction

Hash: 349448200e9f0b9a8c8f386f2b0f2c8152f956f16b366eb7de2d1f8f40148489
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 349448200e9f0b9a8c8f386f2b0f2c8152f956f16b366eb7de2d1f8f40148489:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
349448200e9f0b9a8c8f386f2b0f2c8152f956f16b366eb7de2d1f8f40148489
Status:
ERROR
Block height:
39938488
Block id:
bf6b337987df414ee7e24dd06da6fee6fcf7f5d4aef4ccc099307e66998a5fad
Timestamp:
Saturday 29 October 2022 at 17:15:15 UTC
()
Proposer:
Authorizers:
Gas used:
39