Flow price: --
712b0d033112982a8a4d30b920d13946b6671cd31e0e391a671aec53cc663bfd

Transaction

Hash: 712b0d033112982a8a4d30b920d13946b6671cd31e0e391a671aec53cc663bfd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 712b0d033112982a8a4d30b920d13946b6671cd31e0e391a671aec53cc663bfd: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:
712b0d033112982a8a4d30b920d13946b6671cd31e0e391a671aec53cc663bfd
Status:
ERROR
Block height:
39851729
Block id:
8ca568c65aa1a190619efe47f3fe4824cc510200e63f0422beb1cf4208c413da
Timestamp:
Friday 28 October 2022 at 06:27:49 UTC
()
Proposer:
Authorizers:
Gas used:
46