Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8fbc0d30b5fd1a21c1ea65675082fca42f98a5143558c26a0bbb40d5c272303c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^