Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b15f387a64cc894fcf171dad83ad914ada1d5c3d9ca3a00eee943e7fa3f91d4e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^