Flow price: --
a56ea9e76e542bd184bb5d4e0fd91d1731cc031d3718c947d7efc2d3bb5e4781

Transaction

Hash: a56ea9e76e542bd184bb5d4e0fd91d1731cc031d3718c947d7efc2d3bb5e4781
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a56ea9e76e542bd184bb5d4e0fd91d1731cc031d3718c947d7efc2d3bb5e4781:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a56ea9e76e542bd184bb5d4e0fd91d1731cc031d3718c947d7efc2d3bb5e4781
Status:
ERROR
Block height:
39765131
Block id:
96d77eb1a7f2270f0dfe60143c71c99e036d12f326684346cc2586b37b0ddc44
Timestamp:
Wednesday 26 October 2022 at 19:33:06 UTC
()
Proposer:
Authorizers:
Gas used:
50