Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8524c018b2093df6859f7e41f1060355f36d996e9ff4a385e68bf8bc2ca5faae:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^