Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 870c4ae20f59a4c5c625f9818712f48cc41d84d0e15ce5c489f7d00da49562e3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^