Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dfaab58ca9ec4d50c131c658d8a6e012c354ff562e02383cad76dd3ffc3109f1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^