Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7832f2ce58961401b3610bf92235e486cf2eba15f2975b6ea7c1b7a90f471243:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^