-primitive key.</p></div></div></div></div><div class="table-row" data-filterable-current=":core/commonMain" data-filterable-set=":core/commonMain"><div class="main-subrow keyValue "><div class=""><span class="inline-flex"><div><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-illegal-state-exception/index.html"><span>Illegal</span><wbr></wbr><span>State</span><wbr></wbr><span><span>Exception</span></span></a></div></span></div><div><div class="title"><p class="paragraph">if the corresponding e