Flow price: --
a1cf6bd699c806d0eee34386f98beb4f3c947e4a69a81a9b2d8e617cb8893ab9

Transaction

Hash: a1cf6bd699c806d0eee34386f98beb4f3c947e4a69a81a9b2d8e617cb8893ab9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1cf6bd699c806d0eee34386f98beb4f3c947e4a69a81a9b2d8e617cb8893ab9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a1cf6bd699c806d0eee34386f98beb4f3c947e4a69a81a9b2d8e617cb8893ab9
Status:
ERROR
Block height:
40130003
Block id:
047742c7470eb195250f980e5a599292ff31f3447daaeff5e1edf30df3f5992a
Timestamp:
Tuesday 1 November 2022 at 22:06:44 UTC
()
Proposer:
Authorizers:
Gas used:
47