Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1da9ba3a85eae956e8ab0f05b13f31318b7db8d6396d0f851eaa43d7ae80672f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^