Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31dee628e001d691f1e7e46ca05f3be7645d2c9a9f0975ca5a0ad703c59f1cfd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^