Flow price: --
3748bd93e9ceeb96fcdf80ab74eca55bad748b752ad7377610a03273650569f6

Transaction

Hash: 3748bd93e9ceeb96fcdf80ab74eca55bad748b752ad7377610a03273650569f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3748bd93e9ceeb96fcdf80ab74eca55bad748b752ad7377610a03273650569f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3748bd93e9ceeb96fcdf80ab74eca55bad748b752ad7377610a03273650569f6
Status:
ERROR
Block height:
39879932
Block id:
326bd4112ee4bda70c4f7473a87ac43c386ecdb657d06791f2d87991df7045c2
Timestamp:
Friday 28 October 2022 at 17:47:52 UTC
()
Proposer:
Authorizers:
Gas used:
50