Flow price: --
9a1db102c964e1eb4b510beebd312efe0c03394bb0c7fda34bc1f2a42e21f215

Transaction

Hash: 9a1db102c964e1eb4b510beebd312efe0c03394bb0c7fda34bc1f2a42e21f215
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a1db102c964e1eb4b510beebd312efe0c03394bb0c7fda34bc1f2a42e21f215:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9a1db102c964e1eb4b510beebd312efe0c03394bb0c7fda34bc1f2a42e21f215
Status:
ERROR
Block height:
40145592
Block id:
a9616d45f916c513e6addb8f0ec7fa2414bb1450306367f259e2e2828681f213
Timestamp:
Wednesday 2 November 2022 at 04:26:38 UTC
()
Proposer:
Authorizers:
Gas used:
63