Flow price: --
a23920d3e1bf49951cdee57beb7415b453a0cf887f510544592a9e7a455dc4b5

Transaction

Hash: a23920d3e1bf49951cdee57beb7415b453a0cf887f510544592a9e7a455dc4b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a23920d3e1bf49951cdee57beb7415b453a0cf887f510544592a9e7a455dc4b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a23920d3e1bf49951cdee57beb7415b453a0cf887f510544592a9e7a455dc4b5
Status:
ERROR
Block height:
39814864
Block id:
863667e86e363539e07fa421e683589dfcb85412dff742856f4e352b443e8463
Timestamp:
Thursday 27 October 2022 at 15:35:45 UTC
()
Proposer:
Authorizers:
Gas used:
46