Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2cda5cce781f963e45421c17de91ab2e72d1232120d80ed4d13ca9d87d9e0ae:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^