Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench-core 10.* -> satisfiable by orchestra/testbench-core[v10.0.0, ..., 10.x-dev]. - Root composer.json requires phpunit/phpunit ^13.3 -> satisfiable by phpunit/phpunit[13.3.0, ..., 13.4.x-dev (alias of dev-main)]. - orchestra/testbench-core 10.x-dev conflicts with phpunit/phpunit <10.5.35|>=11.0.0 <11.5.3|12.0.0|>=13.2.0. - orchestra/testbench-core 10.x-dev conflicts with phpunit/phpunit 13.4.x-dev. - orchestra/testbench-core 10.x-dev conflicts with phpunit/phpunit 13.3.x-dev. - Conclusion: don't install orchestra/testbench-core v10.0.3 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.1.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.2.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.2.1 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.2.2 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.2.3 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.3.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.4.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.6.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.6.5 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.7.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.8.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.8.2 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.9.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.10.0 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.12.1 (conflict analysis result) - Conclusion: don't install orchestra/testbench-core v10.14.1 (conflict analysis result)