Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5daa46f03dd2724135eed5b99f8c35101e607c259394b4864f7d72d3f83f6dd1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^