Flow price: --
a7f6432452ae5df8c229a90fda082adb6b794d8dcd14c1b8e861da10fc293385

Transaction

Hash: a7f6432452ae5df8c229a90fda082adb6b794d8dcd14c1b8e861da10fc293385
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a7f6432452ae5df8c229a90fda082adb6b794d8dcd14c1b8e861da10fc293385:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a7f6432452ae5df8c229a90fda082adb6b794d8dcd14c1b8e861da10fc293385
Status:
ERROR
Block height:
39995072
Block id:
453497a27682ef03fa174e776faa4c0718009a4faa473ac6de7dce60624a0a26
Timestamp:
Sunday 30 October 2022 at 15:47:24 UTC
()
Proposer:
Authorizers:
Gas used:
47