Flow price: --
e90cec9bf97726af2581e8ccb9ee0e8eec6e6d09f15e3befd9d7a2f26cc2ddd7

Transaction

Hash: e90cec9bf97726af2581e8ccb9ee0e8eec6e6d09f15e3befd9d7a2f26cc2ddd7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e90cec9bf97726af2581e8ccb9ee0e8eec6e6d09f15e3befd9d7a2f26cc2ddd7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e90cec9bf97726af2581e8ccb9ee0e8eec6e6d09f15e3befd9d7a2f26cc2ddd7
Status:
ERROR
Block height:
39765407
Block id:
ea1b931f8934313f74d602e00fc7fa39083a39008af9ea0cf8cdc310403474be
Timestamp:
Wednesday 26 October 2022 at 19:39:51 UTC
()
Proposer:
Authorizers:
Gas used:
47