(MathRuleRewardWorker(reward-math_rule-1) pid=12406) [2025-12-18 08:08:36] [worker.py (147)] [WARNING] [reward-math_rule-1 1 / 8][PID 12406] worker has not strategy

will this WARNING matter when execute the code?
```
else:
for reward_cluster in self.rewards.values():
reward_cluster.load_states()
```
(MathRuleRewardWorker(reward-math_rule-1) pid=12406) [2025-12-18 08:08:36] [worker.py (147)] [WARNING] [reward-math_rule-1 1 / 8][PID 12406] worker has not strategy
(MathRuleRewardWorker(reward-math_rule-6) pid=12411) [2025-12-18 08:08:36] [platform.py (89)] [WARNING] [reward-math_rule-6 6 / 8][PID 12411] Current platform cpu does not have 'empty_cache' attribute.

Start by reproducing the execution described in the issue and inspect worker.py at line 147 and platform.py at line 89. Determine whether either WARNING indicates a failure or expected behavior, then use the observed results to define what should be changed or documented.

Written by the indexing model from the issue text.