Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8832bea35de57657bba9e1db804cc0acd53d418dc47e0f8a4b5621c933fa108:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^