Flow price: --
dcf712f84077e951d0c7d1baa2355972f8443154d1a4c47d1d2f4e8612294dc1

Transaction

Hash: dcf712f84077e951d0c7d1baa2355972f8443154d1a4c47d1d2f4e8612294dc1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dcf712f84077e951d0c7d1baa2355972f8443154d1a4c47d1d2f4e8612294dc1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dcf712f84077e951d0c7d1baa2355972f8443154d1a4c47d1d2f4e8612294dc1
Status:
ERROR
Block height:
40003441
Block id:
2e6c3909e63428349ef5d195e9e65b084ec370ff40fe8cfe3f4774353996223f
Timestamp:
Sunday 30 October 2022 at 19:08:46 UTC
()
Proposer:
Authorizers:
Gas used:
46