Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f7c34a4d3d6259a2b694196539fbd4c5538acdcac83626400f4cc7fcb6cad72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^