Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 00c63fbe4516d514688f9d6eb8d6ed61dec556d02bcdf333696856ab469f1637:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^