Flow price: --
ab1c1f984d0a84eb2b161e1e055a371ee11fa904099dca2cba057279f00fb158

Transaction

Hash: ab1c1f984d0a84eb2b161e1e055a371ee11fa904099dca2cba057279f00fb158
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ab1c1f984d0a84eb2b161e1e055a371ee11fa904099dca2cba057279f00fb158:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ab1c1f984d0a84eb2b161e1e055a371ee11fa904099dca2cba057279f00fb158
Status:
ERROR
Block height:
39951690
Block id:
b8dc738f9ad429650cb56fedd8b6ab73b901ecbdfc90f0b825badfd6ff249294
Timestamp:
Saturday 29 October 2022 at 22:29:16 UTC
()
Proposer:
Authorizers:
Gas used:
48