Flow price: --
9ead12792de9d86813161851decbebf3d32ab091e4ba3f8c45c0c31edb1b7572

Transaction

Hash: 9ead12792de9d86813161851decbebf3d32ab091e4ba3f8c45c0c31edb1b7572
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9ead12792de9d86813161851decbebf3d32ab091e4ba3f8c45c0c31edb1b7572:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9ead12792de9d86813161851decbebf3d32ab091e4ba3f8c45c0c31edb1b7572
Status:
ERROR
Block height:
40039883
Block id:
76e990340ba5b0180e86f09537a6cdf0ae7303ad3564f6dd7410a8e23998f8d2
Timestamp:
Monday 31 October 2022 at 09:41:20 UTC
()
Proposer:
Authorizers:
Gas used:
50