Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 641bbd96a02bd86d09da235e2ce8334bc1a7e1b07eb4b26236d4f0a595d5ddc7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34