Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7589328c912e8aad536d13ab3172dd87d2092030b218be0318e4112107544c5d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^