Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6128ce7bd5149a173e5e743b6276569345e9e5169dbb064f1f83030bde32b592:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^