Flow price: --
069c192de7cb34932c6ec1899819a3cc748082547bc4a4b7763957aea0f471b3

Transaction

Hash: 069c192de7cb34932c6ec1899819a3cc748082547bc4a4b7763957aea0f471b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 069c192de7cb34932c6ec1899819a3cc748082547bc4a4b7763957aea0f471b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
069c192de7cb34932c6ec1899819a3cc748082547bc4a4b7763957aea0f471b3
Status:
ERROR
Block height:
39855797
Block id:
3a995e7d4a837999a5136583479ffcee28c08564a3328e708532d0ddfdc8420c
Timestamp:
Friday 28 October 2022 at 08:07:49 UTC
()
Proposer:
Authorizers:
Gas used:
52