Kotlin Error : Could not find org.jetbrains.kotlin:kotlin-stdlib-jre7:1.0.7

replace

implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
                                                    ^
                                                    |
                                      JRE = Java Runtime Environment

with

implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
                                                    ^
                                                    |
                                       JDK = Java Development Kit

Since the version with jre is absolute , just replace and sync the project

Official Documentation here Thanks for the link @ ROMANARMY