Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 454bdc320c42b89751096cabd6685af0a879085879d594291121a2b3d6f7ce8d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^