Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a859b2c3a91dec3c37598bbe4a70152ba465c4bad8ceff15e7f5d0d62fd640f8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^