Flow price: --
d473679cfc5eb56ed3d30ca2665ee0354cb4f0945d11a124c9619eebf50c5903

Transaction

Hash: d473679cfc5eb56ed3d30ca2665ee0354cb4f0945d11a124c9619eebf50c5903
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d473679cfc5eb56ed3d30ca2665ee0354cb4f0945d11a124c9619eebf50c5903:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d473679cfc5eb56ed3d30ca2665ee0354cb4f0945d11a124c9619eebf50c5903
Status:
ERROR
Block height:
39870905
Block id:
a9d096684541486ed45254e2825ee38897230a4f3436c9863604d01a238490e7
Timestamp:
Friday 28 October 2022 at 14:11:38 UTC
()
Proposer:
Authorizers:
Gas used:
46