Flow price: --
cd65f78c22f422697307d2483fd2ff38abc2b8c9db1e75537b0ac008e3bb677d

Transaction

Hash: cd65f78c22f422697307d2483fd2ff38abc2b8c9db1e75537b0ac008e3bb677d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd65f78c22f422697307d2483fd2ff38abc2b8c9db1e75537b0ac008e3bb677d: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:
cd65f78c22f422697307d2483fd2ff38abc2b8c9db1e75537b0ac008e3bb677d
Status:
ERROR
Block height:
39877667
Block id:
0217628e2fd6a12a26885273376c49a769b90ec5d7d33a1cb29336755b2f0fed
Timestamp:
Friday 28 October 2022 at 16:53:26 UTC
()
Proposer:
Authorizers:
Gas used:
50