Flow price: --
b49ae90012c2ba56ad5009b87af397585dd001e890b9013e7f4127f55c37bf22

Transaction

Hash: b49ae90012c2ba56ad5009b87af397585dd001e890b9013e7f4127f55c37bf22
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b49ae90012c2ba56ad5009b87af397585dd001e890b9013e7f4127f55c37bf22:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b49ae90012c2ba56ad5009b87af397585dd001e890b9013e7f4127f55c37bf22
Status:
ERROR
Block height:
40134100
Block id:
34c46372e91e6adb6468122e8c42fef1b1bdff3f16dd51a114d4c0db0f953d75
Timestamp:
Tuesday 1 November 2022 at 23:47:14 UTC
()
Proposer:
Authorizers:
Gas used:
49