Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9ddb93defccb9167d8ed7b310c61be4ad736704d67f6c0b97f8e79b909ef215f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^