Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 61d15e9ddad06c5d4aa68549c7ae45945bf47e8447f356dbf66f9ddba13d188e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^