Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 562ae5e1a5d538393c8492234c5168f0c2788cb31ecd91322931ccd07d396bdc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^