Flow price: --
7fd65713dbbc96f9a8ea46e16cde22ccb1f8090a9327415ef2c58beee6bb3da9

Transaction

Hash: 7fd65713dbbc96f9a8ea46e16cde22ccb1f8090a9327415ef2c58beee6bb3da9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7fd65713dbbc96f9a8ea46e16cde22ccb1f8090a9327415ef2c58beee6bb3da9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7fd65713dbbc96f9a8ea46e16cde22ccb1f8090a9327415ef2c58beee6bb3da9
Status:
ERROR
Block height:
40096335
Block id:
99204599e9519c2b1dcf5f9c3d6d84a0df0ca29524e2988aad63c53c5376b47f
Timestamp:
Tuesday 1 November 2022 at 08:25:59 UTC
()
Proposer:
Authorizers:
Gas used:
49