Flow price: --
78d6c9584fc9d2dc4a76325f9a788871dcc6489cf859926970b421a239fd5312

Transaction

Hash: 78d6c9584fc9d2dc4a76325f9a788871dcc6489cf859926970b421a239fd5312
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78d6c9584fc9d2dc4a76325f9a788871dcc6489cf859926970b421a239fd5312:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
78d6c9584fc9d2dc4a76325f9a788871dcc6489cf859926970b421a239fd5312
Status:
ERROR
Block height:
40037186
Block id:
7437b62af42ea6ae8368ec042a85b9b4f7428c5f50b18a7223d5232f16dfade5
Timestamp:
Monday 31 October 2022 at 08:35:44 UTC
()
Proposer:
Authorizers:
Gas used:
49