Flow price: --
a149be7e98b9201956d1fe417a6b3fe6639f7a42c055b064fb3bceb72976d6e8

Transaction

Hash: a149be7e98b9201956d1fe417a6b3fe6639f7a42c055b064fb3bceb72976d6e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a149be7e98b9201956d1fe417a6b3fe6639f7a42c055b064fb3bceb72976d6e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a149be7e98b9201956d1fe417a6b3fe6639f7a42c055b064fb3bceb72976d6e8
Status:
ERROR
Block height:
39753744
Block id:
a336a5efbc61bfcd0d893c772f02bb9560ca6fa32748ac2e002ed77dd5b670a1
Timestamp:
Wednesday 26 October 2022 at 14:57:21 UTC
()
Proposer:
Authorizers:
Gas used:
47