Flow price: --
a808fb173e0047599b21944a7b859ac7e9f8f6e7dc4ea00c04aedf2e86365427

Transaction

Hash: a808fb173e0047599b21944a7b859ac7e9f8f6e7dc4ea00c04aedf2e86365427
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a808fb173e0047599b21944a7b859ac7e9f8f6e7dc4ea00c04aedf2e86365427:28:28
   |
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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