Flow price: --
206bc854a7f4e93817f3b0761a3f39dbc6cb5fe6096f183f2d4baab250bb16f4

Transaction

Hash: 206bc854a7f4e93817f3b0761a3f39dbc6cb5fe6096f183f2d4baab250bb16f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 206bc854a7f4e93817f3b0761a3f39dbc6cb5fe6096f183f2d4baab250bb16f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
206bc854a7f4e93817f3b0761a3f39dbc6cb5fe6096f183f2d4baab250bb16f4
Status:
ERROR
Block height:
40062183
Block id:
ea45d24b4c0583100a739042ae7b5dcc8b1a8b0e3f065a543995ddab0499207b
Timestamp:
Monday 31 October 2022 at 18:42:17 UTC
()
Proposer:
Authorizers:
Gas used:
49