我收到以下錯誤：remote:  !     ERROR: Failed to install system packages!remote:  !     >   Problem 1remote:  !     >     - Installation request for phpseclib/bcmath_compat 1.0.5 -> satisfiable by phpseclib/bcmath_compat[1.0.5].remote:  !     >     - phpseclib/phpseclib 2.0.27 requires php >=5.3.3 -> satisfiable by php[7.1.33, 7.2.26, 7.2.27, 7.2.28, 7.2.29, 7.2.30, 7.2.31, 7.3.13, 7.3.14, 7.3.15, 7.3.16, 7.3.17, 7.3.18, 7.3.19, 7.4.2, 7.4.3, 7.4.4, 7.4.5, 7.4.6, 7.4.7].remote:  !     >     - Installation request for phpseclib/bcmath_compat 1.0.5 -> satisfiable by phpseclib/bcmath_compat[1.0.5].remote:  !     >     - phpseclib/phpseclib 2.0.27 requires php >=5.3.3 -> satisfiable by php[7.1.33, 7.2.26, 7.2.27, 7.2.28, 7.2.29, 7.2.30, 7.2.31, 7.3.13, 7.3.14, 7.3.15, 7.3.16, 7.3.17, 7.3.18, 7.3.19, 7.4.2, 7.4.3, 7.4.4, 7.4.5, 7.4.6, 7.4.7].remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.2.26remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.2.27remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.2.28remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.2.29remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.2.30remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.2.31remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.3.13remote:  !     >     - don't install phpseclib/bcmath_compat 1.0.5|don't install php 7.3.14我有 php 7.4.3。到目前為止我已經嘗試過 composer require phpseclib/phpseclib:~2.0 并且 composer require phpseclib/bcmath_compat:1.0.5 . 我也讀過這個帖子。但是，我仍然不知道如何修復這個錯誤。