Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 82e4c8f21aa2acc000f6992843ca58b8350bf8643844a8c4f9d111b018c3ffb2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^