Flow price: --
b093bc8047f5c7208f6f8760c3de2424fc6328c9667e0d61de4e0d593fad9467

Transaction

Hash: b093bc8047f5c7208f6f8760c3de2424fc6328c9667e0d61de4e0d593fad9467
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b093bc8047f5c7208f6f8760c3de2424fc6328c9667e0d61de4e0d593fad9467:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b093bc8047f5c7208f6f8760c3de2424fc6328c9667e0d61de4e0d593fad9467
Status:
ERROR
Block height:
39858983
Block id:
dcb1923eafcb42a2f77658b864a6a24feb6735cf2320c79b4bcd34fce8e23dde
Timestamp:
Friday 28 October 2022 at 09:24:07 UTC
()
Proposer:
Authorizers:
Gas used:
48