Flow price: --
bf8819c328e18ce5560a8861fd8f617419fc05181310bd61dcc00342b8d1d6b7

Transaction

Hash: bf8819c328e18ce5560a8861fd8f617419fc05181310bd61dcc00342b8d1d6b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bf8819c328e18ce5560a8861fd8f617419fc05181310bd61dcc00342b8d1d6b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bf8819c328e18ce5560a8861fd8f617419fc05181310bd61dcc00342b8d1d6b7
Status:
ERROR
Block height:
40081172
Block id:
b3c454b7e6f444a5dddf6ea7ffd043d785904d59784f1c786f16a880b2a438a4
Timestamp:
Tuesday 1 November 2022 at 02:16:26 UTC
()
Proposer:
Authorizers:
Gas used:
50