Flow price: --
a8d230ebcc863b7f6968ee11affc6931412f33730283a6b1a05bf1fc89bfac52

Transaction

Hash: a8d230ebcc863b7f6968ee11affc6931412f33730283a6b1a05bf1fc89bfac52
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8d230ebcc863b7f6968ee11affc6931412f33730283a6b1a05bf1fc89bfac52:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8d230ebcc863b7f6968ee11affc6931412f33730283a6b1a05bf1fc89bfac52
Status:
ERROR
Block height:
40040206
Block id:
c01c747eea6d5f2d8e96180bad217ea587efeeacd1637e4bfe8acca70e4a2153
Timestamp:
Monday 31 October 2022 at 09:48:56 UTC
()
Proposer:
Authorizers:
Gas used:
46