Flow price: --
b64769234f472b135e12f5fe90096d39601fba75b2b9221a9755bbac3b68fe37

Transaction

Hash: b64769234f472b135e12f5fe90096d39601fba75b2b9221a9755bbac3b68fe37
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b64769234f472b135e12f5fe90096d39601fba75b2b9221a9755bbac3b68fe37:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b64769234f472b135e12f5fe90096d39601fba75b2b9221a9755bbac3b68fe37
Status:
ERROR
Block height:
39751594
Block id:
79e9a29ac99d7791f9d74e5e6956c4ca8b71dd6ead1d0fe3e4dda845da079f09
Timestamp:
Wednesday 26 October 2022 at 14:05:07 UTC
()
Proposer:
Authorizers:
Gas used:
66