Flow price: --
c133354f7461400c3e814e3e95feda59fc00bb78356ea966c5159a161bd8902e

Transaction

Hash: c133354f7461400c3e814e3e95feda59fc00bb78356ea966c5159a161bd8902e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c133354f7461400c3e814e3e95feda59fc00bb78356ea966c5159a161bd8902e: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:
c133354f7461400c3e814e3e95feda59fc00bb78356ea966c5159a161bd8902e
Status:
ERROR
Block height:
40084884
Block id:
07bc2c9f60f357cbe8fc517dc534ade618638c2afea76773dc44ba602d1fe764
Timestamp:
Tuesday 1 November 2022 at 03:46:28 UTC
()
Proposer:
Authorizers:
Gas used:
46