Flow price: --
9a87148e2d985c7b948033207989a2e95fc969932205ad14c97aaca6e5f7d2ae

Transaction

Hash: 9a87148e2d985c7b948033207989a2e95fc969932205ad14c97aaca6e5f7d2ae
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a87148e2d985c7b948033207989a2e95fc969932205ad14c97aaca6e5f7d2ae: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:
9a87148e2d985c7b948033207989a2e95fc969932205ad14c97aaca6e5f7d2ae
Status:
ERROR
Block height:
39782333
Block id:
60a7ed89db008ff12271c342ce89d7279e2540289553eba9f4fd0e6d0781f820
Timestamp:
Thursday 27 October 2022 at 02:28:27 UTC
()
Proposer:
Authorizers:
Gas used:
48