Flow price: --
d7ff69d174767190f8f9e157fe8cb26628a6b1a2980914e79ba34e39d9d5ae77

Transaction

Hash: d7ff69d174767190f8f9e157fe8cb26628a6b1a2980914e79ba34e39d9d5ae77
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7ff69d174767190f8f9e157fe8cb26628a6b1a2980914e79ba34e39d9d5ae77:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d7ff69d174767190f8f9e157fe8cb26628a6b1a2980914e79ba34e39d9d5ae77
Status:
ERROR
Block height:
39863588
Block id:
90df2d4fd938e012418296c97edaa65894f2ce5295563b8e132e60b2c9de2d8a
Timestamp:
Friday 28 October 2022 at 11:15:40 UTC
()
Proposer:
Authorizers:
Gas used:
52