Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae2ae4971eb12e0940f2b09b782680125586f8cfcf7fd2b8670712b71648ab82:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^