Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e5d0e2f18e68f92fb78490ae0933f6658acf92f88a88a5053ae6691fefb3dfc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^