Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e54405ea8ca9e930bf64185dfc1cc1a1054c1fe700b5defd5924c5043e65be8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^