Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b5dd35f95119468a04fc6b6030c027a66775dd2247f09d44d8018e0d64f0c6c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^