Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85cb0b5c53d425d1b6cffc8b69a5c43c1bf15cb8ebcaf32becd38c59da38b08e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^