Flow price: --
a5fbdde0257b21540a991d397786f82ffb42cbd1f13e5c730aaf6f3aa5547c74

Transaction

Hash: a5fbdde0257b21540a991d397786f82ffb42cbd1f13e5c730aaf6f3aa5547c74
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a5fbdde0257b21540a991d397786f82ffb42cbd1f13e5c730aaf6f3aa5547c74:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a5fbdde0257b21540a991d397786f82ffb42cbd1f13e5c730aaf6f3aa5547c74
Status:
ERROR
Block height:
39925583
Block id:
15d6a353baf51e6d9fc41396d974ce8818357ae4d493fd01ee058725f2d83bb9
Timestamp:
Saturday 29 October 2022 at 12:01:52 UTC
()
Proposer:
Authorizers:
Gas used:
46