Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2a63996fd8d6ba34c87d964a2fff2800fbf103dbd9620671305bf4bcd81c97e2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^