Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a5c9abf673d30558438c2ea677f2fd4bcc127dc9e9a2fe315f85757224fa73c1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^