Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 54bad869c70315d58504b2b8a84f1ba2bfeeade942fb2c86a90a61d35a3ec842:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^