Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1de9538c5b8dd4912b2567728face52f4d8f1bfbf26587ef96a25deaab7dc201:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^