Flow price: --
a3b9c18c3d7255e3d76782967ded9574d282ca865f451f56a20e5a31e69a9442

Transaction

Hash: a3b9c18c3d7255e3d76782967ded9574d282ca865f451f56a20e5a31e69a9442
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a3b9c18c3d7255e3d76782967ded9574d282ca865f451f56a20e5a31e69a9442:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a3b9c18c3d7255e3d76782967ded9574d282ca865f451f56a20e5a31e69a9442
Status:
ERROR
Block height:
40045505
Block id:
8b3d58f399f864f7e538f36000b2f24e8476a718bae64e5157d79b8645a10486
Timestamp:
Monday 31 October 2022 at 11:57:38 UTC
()
Proposer:
Authorizers:
Gas used:
46