Flow price: --
a20f4b6bf13640b72f6a4a09b34cc643fae2d2d14f8bd672f0b14225d7a40842

Transaction

Hash: a20f4b6bf13640b72f6a4a09b34cc643fae2d2d14f8bd672f0b14225d7a40842
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a20f4b6bf13640b72f6a4a09b34cc643fae2d2d14f8bd672f0b14225d7a40842:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a20f4b6bf13640b72f6a4a09b34cc643fae2d2d14f8bd672f0b14225d7a40842
Status:
ERROR
Block height:
40125478
Block id:
5710b9b0b3da29a310a228dfe7053073e32873a98d8ee9b5106c04a389f0f6ce
Timestamp:
Tuesday 1 November 2022 at 20:15:25 UTC
()
Proposer:
Authorizers:
Gas used:
49