Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 62dd8568ccd1c192d7d7467f71d9632218f8612d8bc4693197ccfe5b42b67073:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^