Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6aca7446f5a1352e3a2aa2182284519f1d7e6d947d5471f7555ba3c9a60d483c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^