Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c6686101127191ec65abc90c364aadddb8c99df4e9fff3f364a042be80e013e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^