2020-08-16T09:31:54.778Z prisma-client {
  engineConfig: {
    cwd: '/usr/src/app',
    enableDebugLogs: false,
    enableEngineDebugMode: undefined,
    datamodelPath: '/usr/src/app/node_modules/.prisma/client/schema.prisma',
    prismaPath: undefined,
    engineEndpoint: undefined,
    generator: {
      name: 'client',
      provider: 'prisma-client-js',
      output: '/usr/src/app/node_modules/@prisma/client',
      binaryTargets: [],
      previewFeatures: [Array],
      config: {}
    },
    showColors: false,
    logLevel: undefined,
    logQueries: undefined,
    flags: [],
    clientVersion: '2.4.1',
    enableExperimental: [ 'aggregations' ]
  }
}
2020-08-16T09:31:55.139Z plusX Execution permissions of /usr/src/app/node_modules/.prisma/client/query-engine-debian-openssl-1.1.x are fine
2020-08-16T09:31:55.162Z prisma-client Client Version 2.4.1
2020-08-16T09:31:55.162Z prisma-client Engine Version 195d4bdc2d16132977f4ba7a8ca312f7906cb086
2020-08-16T09:32:00.929Z prisma-client Error: PANIC: index out of bounds: the len is 1 but the index is 1

This is a non-recoverable error which probably happens when the Prisma Query Engine has a panic.

https://github.com/prisma/prisma-client-js/issues/new?body=Hi+Prisma+Team%21+My+Prisma+Client+just+crashed.+This+is+the+report%3A%0A%23%23+Versions%0A%0A%7C+Name+++++%7C+Version++++++++++++%7C%0A%7C----------%7C--------------------%7C%0A%7C+Node+++++%7C+v12.18.3+++++++++++%7C+%0A%7C+OS+++++++%7C+debian-openssl-1.1.x%7C%0A%7C+Prisma+++%7C+2.4.1++++++++++++++%7C%0A%0A%0A%0A%23%23+Logs%0A%60%60%60%0A2020-08-16T09%3A31%3A54.778Z+prisma-client+%7B%0A++engineConfig%3A+%7B%0A++++cwd%3A+%27%2Fusr%2Fsrc%2Fapp%27%2C%0A++++enableDebugLogs%3A+false%2C%0A++++enableEngineDebugMode%3A+undefined%2C%0A++++datamodelPath%3A+%27%2Fusr%2Fsrc%2Fapp%2Fnode_modules%2F.prisma%2Fclient%2Fschema.prisma%27%2C%0A++++prismaPath%3A+undefined%2C%0A++++engineEndpoint%3A+undefined%2C%0A++++generator%3A+%7B%0A++++++name%3A+%27client%27%2C%0A++++++provider%3A+%27prisma-client-js%27%2C%0A++++++output%3A+%27%2Fusr%2Fsrc%2Fapp%2Fnode_modules%2F%40prisma%2Fclient%27%2C%0A++++++binaryTargets%3A+%5B%5D%2C%0A++++++previewFeatures%3A+%5BArray%5D%2C%0A++++++config%3A+%7B%7D%0A++++%7D%2C%0A++++showColors%3A+false%2C%0A++++logLevel%3A+undefined%2C%0A++++logQueries%3A+undefined%2C%0A++++flags%3A+%5B%5D%2C%0A++++clientVersion%3A+%272.4.1%27%2C%0A++++enableExperimental%3A+%5B+%27aggregations%27+%5D%0A++%7D%0A%7D%0A2020-08-16T09%3A31%3A55.139Z+plusX+Execution+permissions+of+%2Fusr%2Fsrc%2Fapp%2Fnode_modules%2F.prisma%2Fclient%2Fquery-engine-debian-openssl-1.1.x+are+fine%0A2020-08-16T09%3A31%3A55.162Z+prisma-client+Client+Version+2.4.1%0A2020-08-16T09%3A31%3A55.162Z+prisma-client+Engine+Version+195d4bdc2d16132977f4ba7a8ca312f7906cb086%0A%60%60%60&title=PANIC%3A+index+out+of+bounds%3A+the+len+is+1+but+the+index+is+1&template=bug_report.md

If you want the Prisma team to look into it, please open the link above 🙏

    at NodeEngine.handleRequestError (/usr/src/app/node_modules/@prisma/client/runtime/index.js:1:115267)
    at /usr/src/app/node_modules/@prisma/client/runtime/index.js:1:129724
    at async PrismaClientFetcher.request (/usr/src/app/node_modules/@prisma/client/runtime/index.js:1:210694)
    [...]
2020-08-16T09:32:00.935Z plusX Execution permissions of /usr/src/app/node_modules/.prisma/client/query-engine-debian-openssl-1.1.x are fine
2020-08-16T09:32:05.105Z plusX Execution permissions of /usr/src/app/node_modules/.prisma/client/query-engine-debian-openssl-1.1.x are fine

model User {
  id  String  @default(cuid()) @id
  posts  Posts[]?  @relation("UserToPosts")
}

model Post {
  id  String  @default(cuid()) @id
  author  User  @relation("UserToPosts", fields: [authorId], references: [id])    
  authorId  String     
  someField SomeModel? 
}

model SomeModel {  id  String  @default(cuid()) @id
  post Post  @relation(fields: [postId], references: [id])   
  postId String
}

Prisma.client.user.findMany({
  where: {
    posts: {
      some: {
       someField: null
      }
    }
 })