Flow price: --
0ed93b462f8d1c20b3fa5c0fe4f494429ad9e30978e86845d2d8b9d5a9c8f8f8

Transaction

Hash: 0ed93b462f8d1c20b3fa5c0fe4f494429ad9e30978e86845d2d8b9d5a9c8f8f8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0ed93b462f8d1c20b3fa5c0fe4f494429ad9e30978e86845d2d8b9d5a9c8f8f8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0ed93b462f8d1c20b3fa5c0fe4f494429ad9e30978e86845d2d8b9d5a9c8f8f8
Status:
ERROR
Block height:
40129864
Block id:
1a5d50e6f0bd556042734d8d776e46a123639855081845727d4c175c1a26ab4b
Timestamp:
Tuesday 1 November 2022 at 22:03:10 UTC
()
Proposer:
Authorizers:
Gas used:
46