Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3aa37cd26e848f3d3c70221d07edc4f524f5a6e5cd89ce4129899173f134d8cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^