Flow price: --
90a4aa706e7c24abc2b57f2d960665a5bd1fa9144719c1eb1f333fc02c2e77e2

Transaction

Hash: 90a4aa706e7c24abc2b57f2d960665a5bd1fa9144719c1eb1f333fc02c2e77e2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 90a4aa706e7c24abc2b57f2d960665a5bd1fa9144719c1eb1f333fc02c2e77e2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
90a4aa706e7c24abc2b57f2d960665a5bd1fa9144719c1eb1f333fc02c2e77e2
Status:
ERROR
Block height:
39957899
Block id:
5ffde149ea445312381cd456d407702c8bd071ab1630d53b1230ec3d0e071a77
Timestamp:
Sunday 30 October 2022 at 00:55:49 UTC
()
Proposer:
Authorizers:
Gas used:
55