Flow price: --
cd37c8c056c0542ba091abab9aaf2d440f891e30d56bcb5690c6eb7f7a3c4ac6

Transaction

Hash: cd37c8c056c0542ba091abab9aaf2d440f891e30d56bcb5690c6eb7f7a3c4ac6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd37c8c056c0542ba091abab9aaf2d440f891e30d56bcb5690c6eb7f7a3c4ac6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cd37c8c056c0542ba091abab9aaf2d440f891e30d56bcb5690c6eb7f7a3c4ac6
Status:
ERROR
Block height:
40113739
Block id:
53beb1061008785a1e7bf2e54fd645229f1385e4a9633fe8e76cc23ed30cc377
Timestamp:
Tuesday 1 November 2022 at 15:28:31 UTC
()
Proposer:
Authorizers:
Gas used:
46