Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56752e2f9f57fb71889198ce8056e5bbd966512ed8e8219e5ebea09f23ac21f9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^