Flow price: --
8621c9a0ef27bf3dec6ffdf80f3e62f28a5d5a8c0cdbde0f3fda4859dd506dc4

Transaction

Hash: 8621c9a0ef27bf3dec6ffdf80f3e62f28a5d5a8c0cdbde0f3fda4859dd506dc4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8621c9a0ef27bf3dec6ffdf80f3e62f28a5d5a8c0cdbde0f3fda4859dd506dc4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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