Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab4a77f335eefb7012dd672f360a537523614f27ba9f8b47f4501fd04dd1fbd2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^