Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2cce16586f0bff2b6e75c23d152fdd0e7b619d81dea1f27d49a1cd945a221e3f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^