Flow price: --
cd43feda6172f7a17762b6e3093b87798a16bec4f01ee4d50d9e471a2c826395

Transaction

Hash: cd43feda6172f7a17762b6e3093b87798a16bec4f01ee4d50d9e471a2c826395
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd43feda6172f7a17762b6e3093b87798a16bec4f01ee4d50d9e471a2c826395:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cd43feda6172f7a17762b6e3093b87798a16bec4f01ee4d50d9e471a2c826395
Status:
ERROR
Block height:
40101041
Block id:
cb5ff2aef3f2f8297b21a204a4c53d251ffc95e25cfcb302d994f680a74bcf88
Timestamp:
Tuesday 1 November 2022 at 10:20:20 UTC
()
Proposer:
Authorizers:
Gas used:
50