Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9203893bde6a649faa667c54c644bbc2ca9ae27f3e19c4ac4d728814b779eb37:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^