Flow price: --
17ed5d1bdb1495e003c1d1aaae6ff65238e9e9cb071f0b62531a122b856eba91

Transaction

Hash: 17ed5d1bdb1495e003c1d1aaae6ff65238e9e9cb071f0b62531a122b856eba91
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17ed5d1bdb1495e003c1d1aaae6ff65238e9e9cb071f0b62531a122b856eba91:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
17ed5d1bdb1495e003c1d1aaae6ff65238e9e9cb071f0b62531a122b856eba91
Status:
ERROR
Block height:
40060280
Block id:
458e71f575ccdae1fa918353a9940eaa4daaf7ebb9adff8d281faae21ff3deb0
Timestamp:
Monday 31 October 2022 at 17:56:14 UTC
()
Proposer:
Authorizers:
Gas used:
50